Hi There!
Question - What evidence did Wegener make use of to develop the theory of continental drift?
Answer - A. Similar fossils were found on different continents.
Why - The reason I say this is because when Wegener found this doscoverey he had proven his theory of continental drift.
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Answer:
A bottom-up system concentrates attention on how resources (space and nutrients) influence higher trophic forms , whereas a top-down system focuses on interactions at top level consumers (predators) and their prey influence on lower trophic forms.
Explanation:
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