Assertion (A): As per Darwin, over many generations, survivors will leave more progenies.
Reason (R): Survivors have variations that make resource utilization better for them.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Theory of Evolution & Lamarckism | Darwin's Theory | Summary of Darwin's Theory | Modern Theory of Evolution |
 84%
Level 1: 80%+
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Darwin's finches are an excellent example of:
1. adaptive radiation
2. seasonal migration
3. brood parasitism
4. connecting links
Subtopic:  Darwin's Theory | Summary of Darwin's Theory |
 97%
Level 1: 80%+
AIPMT - 2008
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According to  mutation was gradual while de Vries believed mutation caused   B  and hence called it 

A B C
1. Lamarck Saltation Speciation
2. Thomas Malthus Speciation Natural selection
3. Darwin   Speciation  Saltation
4. Wallance Natural selection Speciation

Subtopic:  Theory of Evolution & Lamarckism | Darwin's Theory | Summary of Darwin's Theory | Drawbacks of Darwin's Theory |
 88%
Level 1: 80%+
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