QUESTION 12

A community is the set of all ______ that inhabit a certain area.

ecosystems

biospheres

populations

none of the above
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QUESTION 13

Which of the following is an aquatic biome?

taiga

grassland

marine

none of the above
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QUESTION 14

Which of the following is a main type of community?

terrestrial

aquatic

both a and b

all of the above