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41. Give a brief account on Darwin's Finches

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42.

While creation and presence of variation is directionless, natural selection is directional as it is in the context of adaptation. Comment.

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43. State and explain any three factors affecting allele frequency in populations.

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44.

Find out through internet and popular science articles whether animals other than man has self-consciousness.

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45. What is convergent evolution ?

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46. What are homologous organs ? Give examples.

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47. What are analogous organs ? Give one example from plants and another from animals.

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48. What are vestigial organs ? Give examples.

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49. Write significance of vestigial organs.

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50. Describe one example of adaptive radiation

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