CBSE BoardEnglish MediumSTD 10ScienceOur Environment1 Mark
MCQ
Each ecosystem consists of $.......$ main components :
A
Three
✓
Two
C
Four
D
Five
✓
Answer
Correct option: B.
Two
An ecosystem is made up of two components $-$ biotic and abiotic. It includes the interaction of the living things which are the biotic components in a given area with the non living environment which are the abiotic factors such as weather, earth, sun, soil, climate and atmosphere.
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