Which of the following statements about food chains is true? Typically
A) food chains rarely involve more than four trophic levels.
B) omnivores are scarce.
C) one species can occur in many food chains.
D) green plants are at the base of food chains.
E) All of the answers are true.
Correct Answer:
Verified
Q1: Choose the term for which a definition
Q2: All organisms are either
A) autotrophs or heterotrophs.
B)
Q3: Fungi can be classified as
A) omnivores.
B) detritivores.
C)
Q4: Eucalypt leaves are eaten by beetles, which
Q6: When ecosystems are considered in terms of
Q7: The small number of trophic levels uniformly
Q8: Under some conditions, trophic diagrams may be
Q9: In an ecosystem, the total amount of
Q10: What is the productivity of an ecosystem?
A)
Q11: Experiments using 'potted webs' showed that the
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