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प्रश्न
Short answer question.
Draw a graph to show that natural selection leads to disruptive change.
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उत्तर
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संबंधित प्रश्न
List three distinguishing features, in tabular form, between acquired traits and the inherited traits.
Give the respective scientific terms used for studying the mechanism by which variations are created and inherited
Out of the wing of a bird, wing of an insect and the wing of a bat :
which two are homologous organs?
Match the terms given in column I with those given in column II :
| Column I | Column II |
| (1) Fossil | (a) A famous evolutionist |
| (2) A theory of evolution | (b) Survival of the fittest |
| (3) Probable ancestor of birds | (c) Petrified remains of prehistoric life |
| (4) Charles Darwin | (d) Father of genetics |
| (5) Gregor Mendel | (e) Archaeopteryx |
Explain the following :
(a) Speciation
(b) Natural Selection
Short answer question.
What is disruptive selection?
Name any three types of premating isolating mechanisms.
____________ results in variation in gene frequencies within population by chance rather than by natural selection.
What is a connecting link?
The first fossil of human form, discovered was ______.
