What shows the one-way
movement of energy through an
ecosystem?
a. food chains
...
Answers: 3
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Compare and contrast the adaptations of free-living flatworms and parasitic flatworms
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The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important
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Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z
Answers: 3
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What are the student's observations and inferences before he starts his investigation?
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