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प्रश्न
Give the importance of fossil in support of organic evolution
उत्तर
a. Fossils are defined as the dead remains of plants and animals that lived in the past in various geological layers.
b. Unlike the evidences from other branches of biology, evidence from fossils are sound, direct and reliable.
c. Fossils are described as the true witnesses or documents of evolution.
d. The development in the field of Geology reveals that the primitive forms of organisms occupy the lower layers and the advanced forms occupy the upper layers of the earth during fossilization.
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संबंधित प्रश्न
Study the following statements:-
I. Wings of birds and wings of bats are homologous organs.
II. Wings of birds and wings of insects are modified forelimbs.
III. Wings of birds and wings of insects are analogous organs.
IV. Wings of birds and forelimbs of horse are homologous organs.
The correct statements are
(A) I and II
(B) II and III
(C) III and IV
(D) I and IV
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