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Anthro midterm
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Questions in this quiz (67)
1Allen's rule
- AThe principle that an animal's limb lengths are heat-related; limbs are longer in hot environments and shorter in cold environments. (page 117)
- BThe principle that an animal's size is heat-related; smaller bodies are adapted to hot environments, and larger bodies are adapted to cold environments. (page 117)
- CA gradual change in some phenotypic characteristics from one population to the next. (page 106
- DBiological changes that occur during an individual's lifetime, increasing the individual's fitness in the given environment. (page 115)
2Bergmann's rule
- AA brown pigment that determines the darkness or lightness of a human's skin color due to its concentration in the skin. (page 119)
- BThe principle that an animal's size is heat-related; smaller bodies are adapted to hot environments, and larger bodies are adapted to cold environments. (page 117)
- CThe maintenance of the internal environment of an organism within an acceptable range. (page 112)
- DRefers to an organism's ability to maintain a constant body temperature despite great variations in environmental temperature. (page 116)
3Cline:
- AA difference in a physical attribute between the males and females of a species. (page 109)
- BCells responsible for bone formation. (page 129
- CThe main midsection, or shaft, portions of long bones; each contains a medullary cavity. (page 110)
- DA gradual change in some phenotypic characteristics from one population to the next. (page 106
4Diaphysis
- AThe main midsection, or shaft, portions of long bones; each contains a medullary cavity. (page 110)
- BThe principle that bone is placed in the direction of functional demand; that is, bone develops where needed and recedes where it is not needed. (page 129)
- CA brown pigment that determines the darkness or lightness of a human's skin color due to its concentration in the skin. (page 119)
- DA gradual change in some phenotypic characteristics from one population to the next. (page 106
5Epiphyses
- AThe end portions of long bones; once they fuse to the diaphyses, the bones stop growing longer. (page 110)
- BA brown pigment that determines the darkness or lightness of a human's skin color due to its concentration in the skin. (page 119)
- Cis responsible for red and yellow pigment
- DRefers to an organism's ability to maintain a constant body temperature despite great variations in environmental temperature. (page 116)
6functional adaptations:
- AMelanin-producing cells located in the skin's epidermis. (page 119)
- BRefers to an organism's ability to maintain a constant body temperature despite great variations in environmental temperature. (page 116)
- CBiological changes that occur during an individual's lifetime, increasing the individual's fitness in the given environment. (page 115)
- DThe principle that bone is placed in the direction of functional demand; that is, bone develops where needed and recedes where it is not needed. (page 129)
7homeostasis
- AA brown pigment that determines the darkness or lightness of a human's skin color due to its concentration in the skin. (page 119)
- BThe maintenance of the internal environment of an organism within an acceptable range. (page 112)
- CA suite of physical traits that enable an organism to live in trees. (page 137)
- DThe time and energy parents expend for their offspring's benefit. (page 137)
8homeothermic:
- AHumans and humanlike ancestors. (page 151)
- BMelanin-producing cells located in the skin's epidermis. (page 119)
- CThe maintenance of the internal environment of an organism within an acceptable range. (page 112
- DRefers to an organism's ability to maintain a constant body temperature despite great variations in environmental temperature. (page 116)
9melanin:
- AA brown pigment that determines the darkness or lightness of a human's skin color due to its concentration in the skin. (page 119)
- BMelanin-producing cells located in the skin's epidermis. (page 119)
- CThe naked surface around the nostrils, typically wet in mammals. (page 144)
- DRefers to those organisms that are awake and active during the night. (page 143)
10melanocytes
- AMelanin-producing cells located in the skin's epidermis
- BThe cessation of the menstrual cycle, signifying the end of a female's ability to bear children. (page 112)
- CA difference in a physical attribute between the males and females of a species. (page 109)
- Dis responsible for brown and black pigment
11menopause
- AThe principle that bone is placed in the direction of functional demand; that is, bone develops where needed and recedes where it is not needed. (page 129)
- BA difference in a physical attribute between the males and females of a species. (page 109)
- CThe cessation of the menstrual cycle, signifying the end of a female's ability to bear children. (page 112)
- Dis responsible for red and yellow pigment
12osteoblasts
- Ais responsible for brown and black pigment
- BCells responsible for bone formation
- CCells responsible for bone resorption
- Dis responsible for red and yellow pigment
13osteoclasts
- ACells responsible for bone resorption
- BThe maintenance of the internal environment of an organism within an acceptable range. (page 112)
- CA brown pigment that determines the darkness or lightness of a human's skin color due to its concentration in the skin. (page 119)
- DCells responsible for bone formation
14sexual dimorphism
- ARefers to those organisms that normally are awake and active during daylight hours. (page 143
- BA difference in a physical attribute between the males and females of a species. (page 109)
- CRefers to the thumb of primates, in that it can touch each of the four fingertips, enabling a grasping ability. (page 140)
- DCharacteristics present in multiple species of a group. (page 150)
15Wolff's law
- AThe principle that bone is placed in the direction of functional demand; that is, bone develops where needed and recedes where it is not needed. (page 129)
- BA suite of physical traits that enable an organism to live in trees. (page 137)
- CThe dental form in which the upper canines are sharpened against the lower third premolars when the jaws are opened and closed. (page 145)
- DThe ability to intimidate or defeat another individual in a pairwise or dyadic encounter. (page 176)
16Eumelanin
- ACells responsible for bone resorption.
- Bis responsible for red and yellow pigment
- CCells responsible for bone formation
- Dis responsible for brown and black pigment
17Pheomelanin
- Ais responsible for brown and black pigment
- Bis responsible for red and yellow pigment
- CA space between two teeth. (page 145)
- DHumans and humanlike ancestors. (page 151)
18arboreal adaptation:
- AA suite of physical traits that enable an organism to live in trees. (page 137)
- BThe dental form in which the upper canines are sharpened against the lower third premolars when the jaws are opened and closed. (page 145)
- CA diet's flexibility in adapting to a given environment
- DRefers to those organisms that normally are awake and active during daylight hours. (page 143)
19brachiation
- AThe ability to intimidate or defeat another individual in a pairwise or dyadic encounter. (page 176)
- BRefers to a social group that includes one adult male, several adult females, and their offspring. (page 174)
- CThe killing of a juvenile
- DOrganisms that move by brachiation, or arm-swinging
20canine-premolar honing complex
- AThe dental form in which the upper canines are sharpened against the lower third premolars when the jaws are opened and closed. (page 145)
- BThe numerical description of a species' teeth, listing the number, in one quadrant of the jaws, of incisors, canines, premolars, and molars. (page 144)
- CA space between two teeth. (page 145)
- DRefers to those organisms that normally are awake and active during daylight hours. (page 143)
21dental formula
- AThe numerical description of a species' teeth, listing the number, in one quadrant of the jaws, of incisors, canines, premolars, and molars. (page 144)
- BThe ability to intimidate or defeat another individual in a pairwise or dyadic encounter. (page 176)
- CCells responsible for bone resorption. (page 129)
- DOrganisms that move by brachiation, or arm-swinging. (page 163)
22derived (modified) characteristics
- AA precise grip in which the tips of the fingers and thumbs come together, enabling fine manipulation. (page 140
- BCharacteristics present in only one or a few species of a group. (page 150)
- CBiological changes that occur during an individual's lifetime, increasing the individual's fitness in the given environment. (page 115)
- DOrganisms that move by brachiation, or arm-swinging. (page 163)
23diastema
- AA gradual change in some phenotypic characteristics from one population to the next. (page 106
- BThe principle that an animal's limb lengths are heat-related; limbs are longer in hot environments and shorter in cold environments. (page 117)
- CThe end portions of long bones; once they fuse to the diaphyses, the bones stop growing longer. (page 110)
- DA space between two teeth. (page 145)
24dietary plasticity:
- AThe ability to intimidate or defeat another individual in a pairwise or dyadic encounter. (page 176)
- BA diet's flexibility in adapting to a given environment. (page 137)
- CRefers to a social group that includes one adult male, several adult females, and their offspring. (page 174)
- DThe frequency of traits that change due to those traits' attractiveness to members of the opposite sex. (page 176)
25diurnal:
- ARefers to those organisms that normally are awake and active during daylight hours. (page 143
- BThe naked surface around the nostrils, typically wet in mammals. (page 144)
- CThe proposition that unique primate traits arose as adaptations to preying on insects and on small animals. (page 230)
- DRock formed when the deposition of sediments creates distinct layers, or strata. (page 198)
26hominin
- ARock formed when the deposition of sediments creates distinct layers, or strata. (page 198)
- Bhoax motivated by racism, from the idea that big brain / big jaw / white supremacy. But the jaw was found to be from an orangutan
- CThe study of the deposition of plant or animal remains and the environmental conditions affecting their preservation. (page 195)
- DHumans and humanlike ancestors. (page 151)
27nocturnal
- AA hypothetical landmass in which all the continents were joined, approximately 300–200 mya. (page 205)
- BRefers to those organisms that are awake and active during the night. (page 143)
- CTwo or more forms of a chemical element that have the same number of protons but vary in the number of neutrons. (page 213)
- DRock formed from the crystallization of molten magma, which contains the radioisotope 40K; used in potassium–argon dating. (page 214)
28opposable thumb
- AThe time and energy parents expend for their offspring's benefit. (page 137)
- BRefers to the thumb of primates, in that it can touch each of the four fingertips, enabling a grasping ability. (page 140)
- CA precise grip in which the tips of the fingers and thumbs come together, enabling fine manipulation. (page 140
- DA tail that acts as a kind of a hand for support in trees, common in New World monkeys. (page 160)
29parental investment
- AThe time and energy parents expend for their offspring's benefit. (page 137)
- BHumans and humanlike ancestors. (page 151)
- CA suite of physical traits that enable an organism to live in trees.
- DA precise grip in which the tips of the fingers and thumbs come together, enabling fine manipulation. (page 140
30power grip:
- AA fistlike grip in which the fingers and thumbs wrap around an object in opposite directions. (page 140)
- BA precise grip in which the tips of the fingers and thumbs come together, enabling fine manipulation. (page 140
- CRefers to the thumb of primates, in that it can touch each of the four fingertips, enabling a grasping ability. (page 140)
- DA tail that acts as a kind of a hand for support in trees, common in New World monkeys. (page 160)
31precision grip:
- AA fistlike grip in which the fingers and thumbs wrap around an object in opposite directions. (page 140)
- BA precise grip in which the tips of the fingers and thumbs come together, enabling fine manipulation. (page 140
- CA tail that acts as a kind of a hand for support in trees, common in New World monkeys. (page 160)
- DRefers to the thumb of primates, in that it can touch each of the four fingertips, enabling a grasping ability. (page 140)
32prehensile tail
- ACharacteristics present in multiple species of a group. (page 150)
- BA gradual change in some phenotypic characteristics from one population to the next. (page 106
- CA tail that acts as a kind of a hand for support in trees, common in New World monkeys. (page 160)
- DRefers to those organisms that are awake and active during the night. (page 143)
33primitive (ancestral) characteristics
- ACharacteristics present in multiple species of a group. (page 150)
- BThe naked surface around the nostrils, typically wet in mammals. (page 144)
- CThe frequency of traits that change due to those traits' attractiveness to members of the opposite sex. (page 176)
- DRefers to a social group that includes an adult male, an adult female, and their offspring. (page 174)
34rhinarium
- AAnterior teeth (incisors and canines) that have been tilted forward, creating a scraper. (page 145)
- BThe numerical description of a species' teeth, listing the number, in one quadrant of the jaws, of incisors, canines, premolars, and molars. (page 144
- CThe naked surface around the nostrils, typically wet in mammals. (page 144)
- DA space between two teeth. (page 145)
35sectorial premolar
- AThe ability to intimidate or defeat another individual in a pairwise or dyadic encounter. (page 176)
- BRefers to a premolar adapted for cutting. (page 146)
- CAnterior teeth (incisors and canines) that have been tilted forward, creating a scraper. (page 145)
- DThe numerical description of a species' teeth, listing the number, in one quadrant of the jaws, of incisors, canines, premolars, and molars. (page 144)
36tooth (dental) comb
- AThe end portions of long bones; once they fuse to the diaphyses, the bones stop growing longer. (page 110)
- BA gradual change in some phenotypic characteristics from one population to the next. (page 106
- CThe proposition that unique primate traits arose as adaptations to preying on insects and on small animals. (page 230)
- DAnterior teeth (incisors and canines) that have been tilted forward, creating a scraper. (page 145)
37dominance (hierarchy)
- AThe ability to intimidate or defeat another individual in a pairwise or dyadic encounter. (page 176)
- BRefers to those organisms that normally are awake and active during daylight hours. (page 143)
- CRefers to a social group that includes an adult male, an adult female, and their offspring. (page 174)
- DRefers to a social group that includes one adult male, several adult females, and their offspring. (page 174)
38monogamouos:
- ARefers to a social group that includes one reproductively active female, several adult males, and their offspring. (page 174)
- BRefers to a social group that includes an adult male, an adult female, and their offspring. (page 174)
- C..The frequency of traits that change due to those traits' attractiveness to members of the opposite sex. (page 176)
- DRefers to a social group that includes one adult male, several adult females, and their offspring. (page 174)
39polyandrous: Refers to a social group that includes one reproductively active female, several adult males, and their offspring. (page 174)
- ARefers to a social group that includes one adult male, several adult females, and their offspring. (page 174)
- BThe frequency of traits that change due to those traits' attractiveness to members of the opposite sex. (page 176)
- CRefers to a social group that includes one reproductively active female, several adult males, and their offspring. (page 174)
- DRefers to a social group that includes an adult male, an adult female, and their offspring. (page 174)
40polygynous:
- ARefers to those organisms that are awake and active during the night. (page 143)
- BThe principle that an animal's size is heat-related; smaller bodies are adapted to hot environments, and larger bodies are adapted to cold environments. (page 117)
- CRock formed from the crystallization of molten magma, which contains the radioisotope 40K; used in potassium–argon dating. (page 214)
- DRefers to a social group that includes one adult male, several adult females, and their offspring. (page 174)
41sexual selection
- AThe frequency of traits that change due to those traits' attractiveness to members of the opposite sex. (page 176)
- BThe study of the deposition of plant or animal remains and the environmental conditions affecting their preservation. (page 195)
- CThe proposition that unique primate traits arose as adaptations to preying on insects and on small animals. (page 230)
- DThe proposition that certain primate traits, such as visual acuity, occurred in response to the availability of fruit and flowers after the spread of angiosperms. (page 230)
42biostratigraphic dating:
- AThe radiometric dating method in which the ratio of 40K to 40Ar is measured to provide an absolute date for a material older than 200,000 years. (page 214)
- BA relative dating method that uses the associations of fossils in strata to determine each layer's approximate age. (page 208
- CA relative (chemical) dating method that compares the accumulation of fluorine in animal and human bones from the same site. (page 207)
- DThe radiometric dating method in which the ratio of 14C to 12C is measured to provide an absolute date for a material younger than 50,000 years. (page
43Cenozoic
- ATwo or more forms of a chemical element that have the same number of protons but vary in the number of neutrons. (page 213)
- BThe first major era of geologic time, 545–245 mya, during which fish, reptiles, and insects first appeared. (page 204)
- CThe era lasting from 66 mya until the present, encompassing the radiation and proliferation of mammals such as humans and other primates. (page 204)
- DThe second major era of geologic time, 245–66 mya, characterized by the emergence and extinction of dinosaurs. (page 204)
44fluourine dating:
- AThe time it takes for half of the radioisotopes in a substance to decay; used in various radiometric dating methods. (page 213)
- BA relative dating method that uses the associations of fossils in strata to determine each layer's approximate age. (page 208
- CThe radiometric dating method in which the ratio of 40K to 40Ar is measured to provide an absolute date for a material older than 200,000 years. (page 214)
- DA relative (chemical) dating method that compares the accumulation of fluorine in animal and human bones from the same site. (page 207)
45half-life:
- AThe time it takes for half of the radioisotopes in a substance to decay; used in various radiometric dating methods. (page 213)
- BThe principle that the lower the stratum or layer, the older its age; the oldest layers are at the bottom, and the youngest are at the top. (page 206)
- CThe study of the deposition of plant or animal remains and the environmental conditions affecting their preservation. (page 195)
- Ddispersal in circular pattern./ speciation that occurs.
46igneous rock:
- AThe study of the deposition of plant or animal remains and the environmental conditions affecting their preservation. (page 195)
- BRock formed from the crystallization of molten magma, which contains the radioisotope 40K; used in potassium–argon dating. (page 214)
- CRock formed when the deposition of sediments creates distinct layers, or strata. (page 198)
- DLayers of rock, representing various periods of deposition. (page 194)
47isotopes
- AA relative dating method in which the energy trapped in a material is measured when the object is heated. (page 217)
- BThe radiometric dating method in which the ratio of 14C to 12C is measured to provide an absolute date for a material younger than 50,000 years. (page 213)
- CRock formed from the crystallization of molten magma, which contains the radioisotope 40K; used in potassium–argon dating. (page 214)
- DTwo or more forms of a chemical element that have the same number of protons but vary in the number of neutrons. (page 213)
48Mesozoic
- AThe first major era of geologic time, 545–245 mya, during which fish, reptiles, and insects first appeared. (page 204)
- BA hypothetical landmass in which all the continents were joined, approximately 300–200 mya. (page 205)
- C(245 - 66 mya): The second major era of geologic time, 245–66 mya, characterized by the emergence and extinction of dinosaurs. (page 204)
- DThe era lasting from 66 mya until the present, encompassing the radiation and proliferation of mammals such as humans and other primates. (page 204)
49Paleozoic
- AThe era lasting from 66 mya until the present, encompassing the radiation and proliferation of mammals such as humans and other primates. (page 204)
- BThe first major era of geologic time, 545–245 mya, during which fish, reptiles, and insects first appeared. (page 204)
- CThe second major era of geologic time, 245–66 mya, characterized by the emergence and extinction of dinosaurs. (page 204)
- DA hypothetical landmass in which all the continents were joined, approximately 300–200 mya. (page 205)
50Pangaea
- ALayers of rock, representing various periods of deposition. (page 194)
- BA difference in a physical attribute between the males and females of a species. (page 109)
- CA hypothetical landmass in which all the continents were joined, approximately 300–200 mya. (page 205)
- DA gradual change in some phenotypic characteristics from one population to the next. (page 106
51Piltdown Man
- Ahoax motivated by racism, from the idea that big brain / big jaw / white supremacy. But the jaw was found to be from an orangutan
- BThe first true primates from the Eocene: the tarsierlike omomyids and the lemurlike adapids. (page 231)
- CThe proposition that unique primate traits arose as adaptations to preying on insects and on small animals. (page 230)
- DRefers to a social group that includes one adult male, several adult females, and their offspring. (page 174)
52Radiation
- Adispersal in circular pattern./ speciation that occurs.
- BA relative dating method that uses the associations of fossils in strata to determine each layer's approximate age. (page 208
- CThe radiometric dating method in which the ratio of 14C to 12C is measured to provide an absolute date for a material younger than 50,000 years. (page 213)
- DA relative dating method in which the energy trapped in a material is measured when the object is heated. (page 217)
53radiocarbon dating
- AA relative dating method in which the energy trapped in a material is measured when the object is heated. (page 217)
- BThe radiometric dating method in which the ratio of 14C to 12C is measured to provide an absolute date for a material younger than 50,000 years. (page 213)
- CThe radiometric dating method in which the ratio of 40K to 40Ar is measured to provide an absolute date for a material older than 200,000 years. (page 214)
- DA relative dating method that uses the associations of fossils in strata to determine each layer's approximate age. (page 208
54radiopotassium dating
- ATwo or more forms of a chemical element that have the same number of protons but vary in the number of neutrons. (page 213)
- BA relative dating method that uses the associations of fossils in strata to determine each layer's approximate age. (page 208
- CThe radiometric dating method in which the ratio of 40K to 40Ar is measured to provide an absolute date for a material older than 200,000 years. (page 214)
- DThe radiometric dating method in which the ratio of 14C to 12C is measured to provide an absolute date for a material younger than 50,000 years. (page 213)
55sedimentary
- ALayers of rock, representing various periods of deposition. (page 194)
- BRock formed from the crystallization of molten magma, which contains the radioisotope 40K; used in potassium–argon dating. (page 214)
- CThe principle that the lower the stratum or layer, the older its age; the oldest layers are at the bottom, and the youngest are at the top. (page 206)
- DRock formed when the deposition of sediments creates distinct layers, or strata. (page 198)
56Steno's law of superposition
- AThe principle that the lower the stratum or layer, the older its age; the oldest layers are at the bottom, and the youngest are at the top. (page 206)
- BThe study of the deposition of plant or animal remains and the environmental conditions affecting their preservation. (page 195)
- CThe proposition that unique primate traits arose as adaptations to preying on insects and on small animals. (page 230)
- DRock formed when the deposition of sediments creates distinct layers, or strata. (page 198)
57Strata
- ARock formed from the crystallization of molten magma, which contains the radioisotope 40K; used in potassium–argon dating. (page 214)
- BLayers of rock, representing various periods of deposition. (page 194)
- CRock formed when the deposition of sediments creates distinct layers, or strata. (page 198)
- DThe study of the deposition of plant or animal remains and the environmental conditions affecting their preservation. (page 195)
58Taphonomy
- AThe proposition that certain primate traits, such as visual acuity, occurred in response to the availability of fruit and flowers after the spread of angiosperms. (page 230)
- BThe proposition that unique primate traits arose as adaptations to preying on insects and on small animals. (page 230)
- CThe study of the deposition of plant or animal remains and the environmental conditions affecting their preservation. (page 195)
- DBiological changes that occur during an individual's lifetime, increasing the individual's fitness in the given environment. (page 115)
59thermoluminescence dating
- AA relative dating method that uses the associations of fossils in strata to determine each layer's approximate age. (page 208)
- BA relative dating method in which the energy trapped in a material is measured when the object is heated. (page 217)
- CA relative (chemical) dating method that compares the accumulation of fluorine in animal and human bones from the same site. (page 207)
- DThe radiometric dating method in which the ratio of 14C to 12C is measured to provide an absolute date for a material younger than 50,000 years. (page 213)
60adapids
- AThe proposition that certain primate traits, such as visual acuity, occurred in response to the availability of fruit and flowers after the spread of angiosperms. (page 230)
- BRefers to a social group that includes one reproductively active female, several adult males, and their offspring. (page 174)
- CEuprimates of the Eocene that were likely ancestral to modern lemurs and possibly ancestral to anthropoids. (page 231)
- DMelanin-producing cells located in the skin's epidermis. (page 119)
61angiosperm radiation hypothesis
- AThe proposition that certain primate traits, such as visual acuity, occurred in response to the availability of fruit and flowers after the spread of angiosperms. (page 230)
- BThe frequency of traits that change due to those traits' attractiveness to members of the opposite sex. (page 176)
- CThe principle that bone is placed in the direction of functional demand; that is, bone develops where needed and recedes where it is not needed. (page 129)
- DThe proposition that unique primate traits arose as adaptations to preying on insects and on small animals. (page 230)
62arboreal hypothesis
- AA plesiadapiform genus from the Paleocene, probably ancestral to the Eocene euprimates. (page 234)
- BThe proposition that primates' unique suite of traits is an adaptation to living in trees. (page 230)
- CThe proposition that certain primate traits, such as visual acuity, occurred in response to the availability of fruit and flowers after the spread of angiosperms. (page 230)
- DThe proposition that unique primate traits arose as adaptations to preying on insects and on small animals. (page 230)
63Carpolestes
- AA plesiadapiform genus from the Paleocene, probably ancestral to the Eocene euprimates. (page 234)
- BRefers to a social group that includes one reproductively active female, several adult males, and their offspring. (page 174)
- CThe first true primates from the Eocene: the tarsierlike omomyids and the lemurlike adapids. (page 231)
- DPaleocene organisms that may have been the first primates, originating from an adaptive radiation of mammals. (page 231)
64euprimates
- AEuprimates of the Eocene that were likely ancestral to modern lemurs and possibly ancestral to anthropoids. (page 231)
- BPaleocene organisms that may have been the first primates, originating from an adaptive radiation of mammals. (page 231)
- CThe first true primates from the Eocene: the tarsierlike omomyids and the lemurlike adapids. (page 231)
- DEocene euprimates that may be ancestral to tarsiers. (page 231)
65omomyids
- AEuprimates of the Eocene that were likely ancestral to modern lemurs and possibly ancestral to anthropoids. (page 231)
- BThe first true primates from the Eocene: the tarsierlike omomyids and the lemurlike adapids. (page 231)
- CThe proposition that unique primate traits arose as adaptations to preying on insects and on small animals. (page 230
- DEocene euprimates that may be ancestral to tarsiers. (page 231)
66plesiadapiforms (Paleocene animals that may have been ancestral to the first primates):
- APaleocene organisms that may have been the first primates, originating from an adaptive radiation of mammals. (page 231)
- BA plesiadapiform genus from the Paleocene, probably ancestral to the Eocene euprimates. (page 234)
- CTwo or more forms of a chemical element that have the same number of protons but vary in the number of neutrons. (page 213)
- DThe first true primates from the Eocene: the tarsierlike omomyids and the lemurlike adapids. (page 231)
67visual predation hypothesis
- ABiological changes that occur during an individual's lifetime, increasing the individual's fitness in the given environment. (page 115)
- BThe proposition that unique primate traits arose as adaptations to preying on insects and on small animals. (page 230)
- CThe proposition that certain primate traits, such as visual acuity, occurred in response to the availability of fruit and flowers after the spread of angiosperms. (page 230)
- DThe principle that an animal's size is heat-related; smaller bodies are adapted to hot environments, and larger bodies are adapted to cold environments. (page 117)
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- midterm
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- katelynn cuevas
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