Question

Ecosystem is smallest unit of
O Alithosphere
B. biosphere
Ο Ο Ο Ο
C mesospher
O D.Ionosphere​

Answer 1

Answer:

B. Biosphere

Explanation:

Ecosystem refers to the living things in an area in relation to all abiotic factors of the environment. It is the smallest unit of Biosphere. Biosphere is the layer of earth on which life exists. It consists of both biotic and abiotic factors.

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