The basic unit of animal population which is communal interbreeding, in a species is known as
Cline
Sub-species
Sibling species
Deme
It's Obvious
All of the following are the mammals wholly living in water except
The embryonic development of an animal from the zygote to the adult stage is known as
$A$ : Sometimes, some babies have a small tail. $R$ : This is just a type of mutant variety
Weismann cut off tails of mice generation after generation but tails neither disappeared nor shortened showing that
Select the mismatched pair
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