$(a)$ What function is performed by human arms,forelimbs of a dog,and forelimbs of whales?
$(b)$ Which type of organs are these?
$(c)$ Why are they called so?
$(b)$ Which type of organs are these?
$(c)$ Why are they called so?
(N/A) Human arms are used for holding and manipulating objects.
Forelimbs of a dog are used for running and locomotion.
Forelimbs of whales are used as paddles for swimming.
$(b)$ These are known as homologous organs.
$(c)$ They are called homologous organs because they share a common ancestral origin and similar basic anatomical structure,even though they have evolved to perform different functions in different environments.
Forelimbs of a dog are used for running and locomotion.
Forelimbs of whales are used as paddles for swimming.
$(b)$ These are known as homologous organs.
$(c)$ They are called homologous organs because they share a common ancestral origin and similar basic anatomical structure,even though they have evolved to perform different functions in different environments.
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