BIO 101 Introduction to biology quiz chapters 33-36 straighterline

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In a grazing food chain,

Select one:
a. all the consumers are primary consumers.



b. primary consumers eat photosynthetic organisms.

c. primary consumers eat detritus.

d. secondary consumers eat photosynthetic organisms.

e. secondary consumers eat detritus.



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The correct answer is: primary consumers eat photosynthetic organisms.


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Fitness of an animal is judged by the

,Select one:
a. strength of an animal.

b. health of the animal.

c. ability of an organism to survive and reproduce.



d. courtship ritual.

e. feeding behavior.



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The correct answer is: ability of an organism to survive and reproduce.


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Energy flow in an ecosystem begins with

Select one:
a. omnivores.

b. herbivores.

c. decomposers.

d. autotrophs.



e. carnivores.



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, The correct answer is: autotrophs.


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Age structure diagrams with a broad base suggest that

Select one:
a. the population will continue to grow for some time.



b. environmental resistance is not at work.

c. the biotic potential must be larger than usual.

d. the individuals must be larger than usual.

e. there are many older individuals in a population.



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The correct answer is: the population will continue to grow for some time.


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