ANTH 1 - Exam 1 Compilation

Question 1

Mutation:

Accepted Answer

d. a and b.

Answer

a. any change in the genetic code.

Answer

b. may involve a single incorrect base in a codon.

Answer

c. must include a whole chromosome.

Answer

e. a and c.

Question 2

Darwin's Gradualism:

Accepted Answer

d. a and c.

Answer

a. involves slow and steady cumulative change.

Answer

b. involves fairly sudden change.

Answer

c. believed by Darwin to lead to new species.

Answer

e. all of the above.

Question 3

Which of the following is not a reproductive isolating mechanism:

Accepted Answer

c. natural selection.

Answer

a. different pollinators.

Answer

b. gamete isolation.

Answer

d. hybrid inviability.

Answer

e. seasonal.

Question 4

Gene flow results in:

Accepted Answer

e. all of the above.

Answer

a. a new population drawn from a small sample of a parent population.

Answer

b. the exchange of genes among populations through interbreeding..

Answer

c. new genetic combinations in offspring.

Answer

d. b and c.

Question 5

A genotype is:

Accepted Answer

c. the alleles possessed by an organism.

Answer

a. the chemical or physical results of genetic code.

Answer

b. when the alleles of a pair are only expressed if the gene is homogeneous.

Answer

d. all of the above.

Question 6

The alleles possessed by an organism can come in three possible forms

Accepted Answer

a. homozygous (TT, tt) and heterozygous (Tt)

Answer

b. homozygous (Tt, tT) and heterozygous (TT)

Answer

c. heterozygous (TT, tt) and homozygous (Tt)

Answer

d. all of the above.

Question 7

Gregor Mendel reached the conclusion that each organism possess

Accepted Answer

e. all of the above.

Answer

a. two genes for each--trait one from each parent.

Answer

b. genes can come in different versions today called alleles.

Answer

c. some alleles are dominant and some are recessive.

Answer

d. dominant and recessive have no value attached to them.

Question 8

The Processes of Evolution are

Accepted Answer

f. all of the above except d.

Answer

a. natural selection.

Answer

b. gene flow.

Answer

c. genetic drift.

Answer

d. founder effect.

Answer

e. mutations.

Answer

g. none of the above.

Question 9

Catastrophism:

Accepted Answer

d. a and b.

Answer

a. is the idea that history of the earth is explained by a series of global catastrophes, either natural, or of divine origin.

Answer

b. it was an attempt to reconcile the evidence with a biblical time frame.

Answer

c. the notion that there is an ideal, or essential, form of every natural entity and that the variations we see are largely inexact copies of the ideal.

Answer

e. all of the above.

Question 10

DNA

Accepted Answer

d. all of the above.

Answer

a. is like a ladder with its ends twisted in opposite directions.

Answer

b. has only four bases involved: adenine (A), thymine (T), cytosine (C), and guanine (G).

Answer

c. shape is referred to as a double helix.

Answer

e. none of the above.

Question 11

Variation is now known to be in the genetic makeup of populations.

Answer

true

Question 12

Genetic drift is the exchange of genes among populations through interbreeding.

Answer

true

Question 13

Mitosis is the process of cell division in which gametes are produced.

Answer

true

Question 14

The idea of evolution is simple: species of living things change over time and under the right circumstances this change can produce new species of living organisms from existing ones.

Answer

true

Question 15

DNA carries the genetic code that is found in the nucleus of cells, on long strands called chromosomes.

Answer

true

Question 16

Fitness is the relative adaptiveness of an individual organism measured ultimately by reproductive success.

Answer

true

Question 17

Natural selection works on the variation that is known to be in the genetic makeup of populations.

Answer

true

Question 18

Gene flow is the exchange of genes among populations though interbreeding.

Answer

true

Question 19

A scientist uses "The Scientific Method" which answers questions according to a special set of rules that involves a cycle of steps.

Answer

true

Question 20

Adaptation is the state in which an organism is adjusted to and can survive in its environment through its physical traits and behaviors.

Answer

true

Question 21

Phenotype is the chemical or physical results of genetic code.

Answer

true

Question 22

Mendelian genetics showed that inheritance does not involve the blending of substances but, rather, are particulate.

Answer

true

Question 23

An allele is an alternative form of a gene (one member of a pair) that is located at a specific position on a specific chromosome.

Answer

true

Question 24

The great Chain of being is the notion that there is an ideal, or essential, form of every natural entity and that the variations we see are largely inexact copies of the ideal.

Answer

true

Question 25

Uniformitarianism is the idea that present-day geological processes (normal, every day uniform process) can also explain the history of the earth.

Answer

true

Question 26

Though Darwin work with pea plants the basic laws of genetics were derived.

Answer

true

Question 27

The genetic code is a set of instructions for the production (or synthesis) of proteins from amino acids.

Answer

true

Question 28

Charles Darwin reasoned, some alleles are dominant and some are recessive.

Answer

true

Question 29

Natural selection is the differential reproduction of individuals based on the relative adaptive value of their traits.

Answer

true

Question 30

Individuals tend to find mates within their own breeding populations.

Answer

true

Question 31

Ecological isolation probably explains the origin of hominids, the group to which our species belongs.

Answer

true

Question 32

Microevolution is the branching of new species from existing species.

Answer

true

Question 33

All life, through speciation and adaptive radiation, is descended from a single origin.

Answer

true

Question 34

In hybrid sterility fertilization may occur, but the hybrid zygotes do not survive.

Answer

true

Question 35

The complex process of environmental factors, is solely responsible for the final form and function of a living being.

Answer

true

Question 36

Evolutionary change is at its most basic level genetic change.

Answer

true

Question 37

Macroevolution is the continuous transformation of a unitary population through time.

Answer

true

Question 38

Sexual behaviors that attract one sex to the other are called courtship behaviors.

Answer

true

Question 39

Genetic drift is mistakes in the genetic mechanism that add new variation to a species' gene pool.

Answer

true

Question 40

There is nothing that can change what genes code for, except a change in the code itself, such a change is called a mutation.

Answer

true

Question 41

Primates of the family hominidae include: modern humans, earlier humans subspecies, and their direct human ancestors.

Answer

true

Question 42

Functionally similar but evolutionary unrelated traits are known as analogies.

Answer

true

Question 43

This adaptation, called bipedalism (exhibited by modern apes), is a form of locomotion that involves placing the backs of the middle joints of the fingers on the ground.

Answer

true

Question 44

Paranthropus is known to have spread far out of Africa and adapted to a wide range of temperate, tropical, and cold environments throughout Europe and Asia.

Answer

true

Question 45

Homo habilis "wise person" is a recent, separate species.

Answer

true

Question 46

Based on the mitochondrial DNA evidence, Homo nenderthalensis is though to be a direct ancestor to modern humans.

Answer

true

Question 47

The fossil record indicates that an increase in brain size was the first hominid trait to evolve.

Answer

true

Question 48

A taxonomy is a classification system based on similarities and differences.

Answer

true

Question 49

Australopithecus had overall skeletal proportions much like those of modern humans.

Answer

true

Question 50

Radiocarbon dating is a relative dating technique.

Answer

true

Question 51

The early African hominids radiated into three distinct groups, often classified as separate genera Australopithecus, Paranthropus, and Homo.

Answer

true

Question 52

Humans, chimpanzees, and bonobos have all adapted to different environmental niches.

Answer

true

Question 53

Homo habilis is the fossil find commonly referred to as "Lucy".

Answer

true

Question 54

The following is not an absolute dating technique:

Accepted Answer

c. stratigraphy

Answer

a. carbon 14

Answer

b. potassium/ Argon

Answer

d. all of the above

Answer

e. a and b

Question 55

The AR model hypothesizes that Homo sapiens

Accepted Answer

d. all of the above

Answer

a. evolved recently as a species.

Answer

b. evolved in Africa

Answer

c. spread to replace more archaic populations

Answer

e. none of the above

Question 56

The MRE origins model hypothesizes that Homo sapiens

Accepted Answer

d. none of the above

Answer

a. evolved

Answer

b. evolved only in Africa

Answer

c. all of the above

Question 57

The common prehensile ability that modern humans exhibit and share with our close relatives

Accepted Answer

c. all of the above

Answer

a. is a shared derived characteristic,

Answer

b. come from the same ancient ancestor and serves the same basic function.

Answer

d. none of the above

ANTH 1 - Exam 1 Compilation

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