Glencoe Biology

Section 2: Flow of Energy in an Ecosystem

Self-Check Quizzes-English

1
A (an) ____ collects energy from sunlight or inorganic substances to produce food.
A)heterotroph
B)herbivore
C)detritivore
D)autotroph
2
The total mass of living matter at each trophic level is called ____.
A)biomass
B)a food chain
C)energy flow
D)an organic compound
3
How can detritivores be beneficial to the environment?
A)provide food for autotrophs
B)rid waste and dead matter
C)allow predation to occur
D)facilitate photosynthesis in plants
4
Which of the following statements is true based on the food chain shown here?
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A)Snakes get energy directly through plant consumption.
B)Most insects are autotrophs.
C)Mice and bugs have a parasitic relationship.
D)Energy from photosynthesis will transfer to snake.
5
How would a population decrease in primary consumers affect the ecosystem?
A)primary producers would suddenly decrease.
B)Third-level consumer population would increase.
C)Third-level consumer populations would eventually decrease
D)There would be no overall effect.
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