Edaphic factors are related to
Soil
Animal
Man
Temperature
(a)Soil; because man and animals are biotic factors and temperature is climatic factor.
What is true about the isolated small tribal populations?
$A$ : Different ecotypes of a species despite being genotypically different are interfertile. $R$ : They are locally natural selections from a pool of genetic variations found in gene pool of a species.
What are the organisms that feed on plant sap and other plant parts called ?
Release of phosphates and nitrates in water bodies(i.e. rivers and lakes) lead to
Water logging occurs in
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