The process of evolution of different species in a given geographical area starting from a point and literally radiating to other areas of geography [habitats] is known as:

1. Convergent evolution 2. Divergent evolution
3. Adaptive radiation 4. Artificial selection

Subtopic:  Natural Selection |
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The natural selection operating as shown in the given figure is called as:

1. Disruptive
2. Directional
3. Stabilizing
4. Retrogressive
Subtopic:  Natural Selection |
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Level 1: 80%+
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Which of the following types of natural selection reduces variation but does not change the mean value?

 
1. directional 2. stabilizing
3. disruptive 4. all of these

Subtopic:  Natural Selection |
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All the following are examples of analogous organs except:

1. Thorn and tendrils of Bougainvillea and Cucurbita
2. Sweet potato and Potato
3. Flippers of Penguins and Dolphins
4. Eye of the Octopus and of Mammals

Subtopic:  Natural Selection |
 89%
Level 1: 80%+
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