In all ecosystems, heterotrophs are completely dependent on the productivity of all the following groups of organisms EXCEPT:
A) animals.
B) autotrophs.
C) photosynthetic bacteria.
D) plants.
E) algae
Correct Answer:
Verified
Q25: The activity of the _ results in
Q26: The food manufactured by photosynthesis is transported
Q27: Water is transported upward through the plant
Q28: Secondary growth refers to growth:
A)that is of
Q29: Phytoremediation refers to the process by which
Q31: Humans first appeared about _ years ago.
A)2000
B)200,000
C)2
Q32: A seed is composed of three parts:
A)root,
Q33: The projected human population of the Earth
Q34: What organisms are found at the base
Q35: The development of agriculture started at least
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