Multiple Choice
Which of the following is an ecosystem service that includes processes that increase the quality of the abiotic environment?
A) Keystone predators have a marked effect on species diversity.
B) Green plants and phytoplankton produce the oxygen we breathe.
C) Bees, flies, and wasps pollinate many plants.
D) The presence of dams improves flood control.
Correct Answer:

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Correct Answer:
Verified
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