Statement 1: Homologous structure develops along different directions due to adaptations to different needs.

Statement 2: Similar habitats resulting in the selection of different adaptive features in different groups of organisms but towards the same function are called analogous structures.

Both the statements are correct

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Statement 2 is correct while statement 1 is incorrect

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Statement 1 is correct while statement 2 is incorrect

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Both the statements are incorrect

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Solution

The correct option is C Statement 1 is correct while statement 2 is incorrect
Homologous structure develops along different directions due to adaptations to different needs which are also known as divergent evolution. Bones of the forelimbs of vertebrates and thorns of Bougainvillea and tendrils of Cucurbita are examples of homologous structures.

Similar habitats that have resulted in the selection of similar adaptive features in different groups of organisms but carry out the same function are analogous structures. Sweet potato and potato, flippers of penguins and dolphins, and the eye of octopus and mammals are examples of analogous structures.

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Similar questions

Q. The organs which perform similar functions but have different basic structure are called :
(a) asymmetric organs
(b) analogous organs
(c) homologous organs
(d) homophonic organs

The organs which perform different functions but have the same basic structure are known as :
(a) homologous organs
(b) analogous organs
(c) homolytic organs
(d) analytic organs

Q. What is adaptation? What are the different means by which organisms adapt to their habitat?

Assertion: Homologous organs are similar in basic structure and embryonic origin, but serve different functions.

Reason: Similarity in basic structure points to common ancestry whereas diversity in function reflects adaptation to different modes of life.

Read the assertion and reason statements carefully and answer the question on the basis of the following options.

Q. Study following statements and choose the correct alternative.
(P) Those organs which have the same internal structure but different functions, are called homologous organs.
(Q) Organs which have different basic design but have similar appearance and carry out similar functions are called analogous organs.
(R) The impressions of dead plants or animals that lived in the past are known fossils.

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Arthropoda

Standard IX Biology

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Statement 1: Homologous structure develops along different directions due to adaptations to different needs. Statement 2: Similar habitats resulting in the selection of different adaptive features in different groups of organisms but towards the same function are called analogous structures.

Statement 1: Homologous structure develops along different directions due to adaptations to different needs.

Statement 2: Similar habitats resulting in the selection of different adaptive features in different groups of organisms but towards the same function are called analogous structures.