Edaphic factors are related to
Soil
Animal
Man
Temperature
(a)Soil; because man and animals are biotic factors and temperature is climatic factor.
In a sea shore, the benthic animals live in sandy, muddy and rocky substrata and accordingly developed the following adaptations.
$(a)$ Burrowing
$(b)$ Building cubes
$(c)$ Holdfasts / peduncle
Find the suitable substratum against each adaptation.
$A$ : Estuary constitutes one of the most productive ecosystem. $R$ : It represents transition zone between two populations of a species.
Temperature gradient over earth surface is
The term ‘biocoenosis’ was proposed by
Which of the following is not true for a species?
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