A food web is a more realistic depiction than a food chain because
A) organisms rarely eat just one kind of food.
B) energy flow is linear.
C) energy flow is cyclic.
D) a more complex model is always better than a simple one.
E) matter cycles in ecosystems.
Correct Answer:
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Q11: What key factor limits the number of
Q12: Which trophic level would contain the lowest
Q13: Which statement about food chains is FALSE?
A)
Q14: Approximately what proportion of the radiant energy
Q15: Arrange the following from the ecosystem with
Q17: Which statement about biomass is FALSE?
A) Biomass
Q18: GPP, or Gross Primary Productivity
A) is the
Q19: Which statement about decomposers is FALSE?
A) They
Q20: Pyramids of numbers are of limited usefulness
Q21: Bacteria are most essential in the cycling
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