by abhishek | Aug 26, 2020 | Evolution
Fossils are the remains of dead bodies of prehistoric plants and animals. These provide good evidence for the organic evolution. Archaeopteryx is its best example. This animal has both the characters of reptiles and birds. Archaeopteryx had feathered wings like those...
by abhishek | Aug 26, 2020 | Evolution
The living animals which possess the characteristics of two different groups of animals are known as connecting links. For example, Lung fish: – Lungfish possesses the characters of both the fishes and amphibians. It resembles the fishes in having paired fins,...
by abhishek | Aug 26, 2020 | Evolution
It is the reappearance of a certain ancestral, not parental organs which has either been completely disappeared or reduced. Atavism also gives evidence of organic evolution. The best example of atavism is the presence of a short tail in some human babies. Other than...
by abhishek | Aug 26, 2020 | Evolution
The organs which occur in reduced form and are useless to the possessor but were fully developed and functional in its ancestors are called vestigial organs. For example the nictitating membrane in humans is a vestigial organ. It is a small, pinkish, reduced and...
by abhishek | Aug 26, 2020 | Evolution
Analogous organs are the organs of different animals which have different basic structure but perform same function. For example, the wing of a bird and the wing of a butterfly have different structures but they perform similar function so they are analogous organs....
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