Write a note on evidences from Morphology and Anatomy in favour of Evolution.

Explanation

The comparative study of Morphology and Anatomy of animals,reveal that they posses common set of characteristics.
(a)Homologous organs:
The homologous organs are those which have inherited from common ancestors with similar develomental pattern in embryos.
E.g: The fore limbs of mammals are homologous structure .A human hand,a front leg of a cat,flipper of a whale and a Bat.s wing look dissimilar and adapted for different functions.Their mode of development and basic structure of bone re similar.
(b)Analogous organs:
(i)The analogous organs look similar and perform similar functions but they have different origin and developmental pattern.
(ii)The function of the wings of a Bat,the wings of a bird and wings of an insect are similar,but their basic structures are different.
(c)Vestigial organs: The degeneratd and non-Functional organs of animal are called Vestigial organs.The same organs are found to be well-developed and functional,in some of the related forms.
E.g: Some of the Vestigial organs in man are vermiform appendix Nictitating membrane,Caudal Vertebra,Coccyx etc .
(d)Atavism:
The reappearance of ancestral characters in some individuals is called Atavism.
E.g: Presence of rudimentary tail in new born babies,presence of thick hair on the Human body.