18. How does energy first enter a pond ecosystem?
A. through growth of algae
B. through light...
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Biology, 05.11.2020 01:40, alondra6190
18. How does energy first enter a pond ecosystem?
A. through growth of algae
B. through light from the Sun
C. through decay of dead fish
D. through runoff from fields
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Answers: 3
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