Question

River, ponds and oceans are___________ ecosystems
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Answer 1

Answer:

Explanation:

Ecosystems are usually present in a particular area but they are of different size. ... The terrestrial ecosystem comprises of the system present in the land area like forests, grasslands, deserts and tundra. The aquatic ecosystem comprises of the system present in the water bodies like freshwater and marine.

Answer 2

Answer:

aquatic is the ans to ur question