Give the three key factors of the modern concept of evolution.

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Evolution

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11. What is the type of evolution in which the same structure developed along different directions due to adaptations to different needs ?

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12. Name the different eras of geologic time scale.

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13. What is single step large mutation?

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14. Consider a thorn in Bougainvillea and a tendril in cucurbita. Are these two organs homologous or analogous ? Give reason.

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15. Give two examples that represent adaptive radiation.

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16.

Which theory attempts to explain to us the origin of universe?

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17. Evolution is a discontinuous process. Is it correct ?

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18. Give the three key factors of the modern concept of evolution.

Genetic variations, natural selection and isolation.

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19. Which other term can be used for natural selection ?

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20.

Sweet potato and potato is an example of?

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