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Quiz von Jessica Dewald, aktualisiert vor 3 Monate
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Erstellt von Jessica Dewald
vor etwa 5 Jahre
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Frage 1
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What do we call the movement of organisms into a given area from another area?
Antworten
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population shift
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immigration
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emigration
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carrying capacity
Frage 2
Frage
What plant species in the figure below represents a pioneer species if the area is undergoing primary succession?
Antworten
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shrubs
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grasses
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lichens
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deciduous trees
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coniferous trees
Frage 3
Frage
Which of the following is a density-independent limiting factor?
Antworten
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seasonal cycles
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competition
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crowding
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disease
Frage 4
Frage
Which part of the graph represents exponential growth for the population?
Antworten
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A
-
B
-
C
-
D
Frage 5
Frage
The graph represent _____ growth, and rabbits are ___ reproductive strategists.
Antworten
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logistic, R
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exponential, R
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logistic, K
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exponential, K
Frage 6
Frage
If the humans eliminate a predator, how would this initially affect the number of prey animals?
Antworten
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The number would rapidly decrease
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The number would increase
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The number would remain constant
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The number would slowly decrease
Frage 7
Frage
Which of the following in not one of the factors that plays a role in population growth rate?
Antworten
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population density
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immigration
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death rate
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emigration
Frage 8
Frage
Which statement best describes the fruit fly population in the part of the curve labeled X in the graph shown in the figure below.
Antworten
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The fruit fly population can no longer mate and produce fertile offspring
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The fruit fly population has reached the number of organisms that habitat can support
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The fruit fly population is no longer able to adapt to the changing environmental conditions
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The fruit fly population has an average lifespan of 36 days
Frage 9
Frage
Which meadow has the greatest biodiversity?
Antworten
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Meadow A
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Meadow B
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Meadow C
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Not enough information
Frage 10
Frage
The human population experienced exponential growth after....
Antworten
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the industrial revolution began
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the bubonic plague occurred
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agriculture began
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plowing and irrigation began
Frage 11
Frage
What is one difference between primary and secondary succession?
Antworten
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secondary succession begins on soil, and primary succession begins on bare rock
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Primary succession modifies the environment, and secondary succession does not
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Primary succession is slow, and secondary succession is rapid
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secondary succession begins with lichens, and primary succession begins with trees
Frage 12
Frage
When individuals in a population reproduce at a constant rate, it is called...
Antworten
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exponential growth
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growth density
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logistic growth
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multiple growth
Frage 13
Frage
Why does the white-tailed deer population drop when carrying capacity is exceeded?
Antworten
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resources are too low to support the population
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competition by other animals is greatly reduced
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the height of edible plants exceeds the height of the deer
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weather changes reduce the deer population
Frage 14
Frage
The graph shows the average number of rabbits and coyotes in an area over time. Which conclusion is best supported by these data?
Antworten
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The number of coyotes will be greater than the number of rabbits within a ten-year period
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The number of rabbits will decrease during summer months
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The rabbit population obtains energy by consuming young plants
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The coyote population is influenced by the available number of rabbits
Frage 15
Frage
A herd of deer lives in an area of Northwest Ohio between two major interstate highways. As the population continues to grow, several deer die from starvation. This example in which type of limiting factor?
Antworten
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density-independent
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density-dependent
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abiotic factor
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none of the above
Frage 16
Frage
When organisms move out of the population, this is known as ....
Antworten
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emigration
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immigration
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abandonment
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succession
Frage 17
Frage
From the graph, determine which time period are birth and death rate equal?
Antworten
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A
-
B
-
C
-
D
Frage 18
Frage
There are 150 Saguro cactus plants per square kilometer in certain area of Arizona desert. To which population characteristic does this information refer?
Antworten
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geographic distribution
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growth rate
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population density
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age structure
Frage 19
Frage
The graph shows the interactions of two populations. Population A is made up of living animals. The members of population B feed on these animals. The members of population B are most likely...
Antworten
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autotrophs
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prey
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parasites
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predators
Frage 20
Frage
An undisturbed squirrel population grows until its carrying capacity is reached. Which of the graphs below best resembles this squirrel population?
Antworten
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A
-
B
-
C
-
D
Frage 21
Frage
The graph below shows the interaction of the wolf and moose populations on Isle Royale. If the moose population continues to decrease, the wolves' food supply will decrease. What will most likely happen to the wolf population as a result?
Antworten
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decreases
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increase slightly
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remain the same
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increase greatly
Frage 22
Frage
What must occur in a population in order for it to grow?
Antworten
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the birth rate and death rate remain the same
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the birth rate becomes lower than the death rate
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the birth rate stays the same and the death rate increases
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the birth rate becomes higher than the death rate
Frage 23
Frage
Which of the following has caused the human population growth rate to increase?
Antworten
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a shift towards an older population
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famine and drought
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the frequency and severity of common diseases
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improvements in nutrition, medicine, and sanitation
Frage 24
Frage
The table shows how several different populations have changed over a one year time span. Look at each population and determine which population has had an overall increase?
Antworten
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population A
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population B
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population C
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population D
Frage 25
Frage
On what trophic level would you find organisms that use the sun's energy directly to make their own food?
Antworten
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1
-
2
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3
-
4
Frage 26
Frage
The ultimate source of energy for all organisms in life is:
Antworten
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water
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oxygen
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nitrogen
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the sun
Frage 27
Frage
An animal that only eats the flesh of another animal is called a:
Antworten
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producer
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herbivore
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carnivore
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omnivore
Frage 28
Frage
In the following food chain, which organism is the secondary consumer? grass ------> rabbit -------> snake ------> hawk
Antworten
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grass
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rabbit
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snake
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hawk
Frage 29
Frage
In the above food chain, the snake is an example of a:
Antworten
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producer
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primary consumer
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secondary consumer
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tertiary consumer
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quaternary consumer
Frage 30
Frage
Which of the following organisms is an autotroph?
Antworten
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algae
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bear
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cheetah
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fish
Frage 31
Antworten
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competition
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mutualism
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parasitism
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predator/prey
Frage 32
Frage
In the terrestrial food web above, what would be the effect of a farmer introducing a rat poison into the ecosystem that is toxic to rats and mice?
Antworten
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the population of fox would decrease
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the population of grasshoppers would decrease
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the population of hawks would increase
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the population of rabbits would decrease
Frage 33
Frage
Which of the following is an abiotic factor in an ecosystem?
Antworten
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bird
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tree
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rock
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deer
Frage 34
Frage
Sea anemones contain a venom that is used to sting and paralyze their prey. The clownfish contains an enzyme in their scales that makes them immune to the venom. This allows them to freely live in the sea anemone without being harmed providing the clownfish with protection. This is an example of what type of relationship?
Antworten
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predator-prey
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mutualism
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commensalism
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parasitism
Frage 35
Frage
Lichen is a symbiotic decomposer that attaches itself to trees and slowly breaks them down. They obtain nutrients from the tree, allowing them to survive and reproduce while the tree slowly dies. What type of relationship is this?
Antworten
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predator-prey
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mutualism
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parasitism
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competition
Frage 36
Frage
Mushrooms and other fungi are responsible for breaking down dead organic matter. In the ecosystem, they are called:
Antworten
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producers
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consumers
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decomposers
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scavengers
Frage 37
Frage
The amount of energy that is passed from one organism to the next in a food chain is:
Antworten
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5%
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10%
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15%
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20%
Frage 38
Frage
In an energy pyramid, the bottom level represents:
Antworten
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consumers
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producers
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scavangers
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decomposer
Frage 39
Frage
In an energy pyramid, the lowest level has:
Antworten
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less energy than the top level
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less energy than the second level
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more energy than the top level
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the same amount of energy is available to a consumer
Frage 40
Frage
Decomposers are important to ecosystems because they:
Antworten
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are at the highest level of the energy pyramid
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change simple compounds into more complex ones
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convert light energy into sugars through photosynthesis
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make nutrients available for producers to use
Frage 41
Frage
All the following are examples of limiting factors for a population EXCEPT:
Antworten
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space
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food
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time
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weather
Frage 42
Frage
As populations grow individuals tend to compete for
Antworten
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resources
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stress
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independence
Frage 43
Frage
An animal that eats only plants is a:
Antworten
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primary consumer
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secondary consumer
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tertiary consumer
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primary producer
Frage 44
Frage
Which of the following is an example of an ecosystem?
Antworten
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air, water, grass, badgers
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air, water, sunlight, and soil
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hawks, mouse, badgers, and eagles
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grass, trees, bushes, and flowers
Frage 45
Frage
The plant receives 3456.8 kcal of energy from the sun. How much energy will the snake end up with? [blank_start]3.4568[blank_end] kcal of energy.
Antworten
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3.4568
Frage 46
Frage
Biomagnification is when toxins, such as mercury and DDT, increase in the amount present in an organism as you move up in the food chain/web.
Antworten
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true
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fasle
Frage 47
Frage
Which organism in the food chain would contain the highest levels of DDT poisoning?
Antworten
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snake
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cricket
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plant
-
owl
Frage 48
Frage
Two closely related species of birds live in the same tree. Species A feeds on ants and termites, while species B feeds on caterpillars. The two species coexist successfully because
Antworten
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each occupies a different niche
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they interbreed
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they use different methods of reproduction
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birds compete for food
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