Question

This an example of analogous organs
A) Brain of fish and humans
B) Thorns and tendrils in plants
C) Wings of birds and butterfly
D) All of the above

Answer 1

Hint:Analogous organs are those organs which have different origin but they perform similar functions. They are opposite to that of homologous organs.

Complete answer:
Our body organs have different relationships with that of the organs of other animals. These relationships include analogous organs, homologous organs, vestigial organs, connecting links and atavistic organs. When different organisms live in the same habitat their organs which are different in structures adapt to similar functions. Such organs are termed as analogous organs. Such organisms are thought to show convergent evolution in which different organisms evolve to adapt similar functions despite having structural differences in their organs.

Let us analyze the options to find out the correct option.
>Option A: The brains of fish and humans do not perform similar functions and are not analogous.Therefore, this is the incorrect option.
>Option B: Thorns and tendrils of plants are similar in origin but they perform different functions. They are examples of homologous organs or structures.Therefore, this is the incorrect option.
>Option C: Wings of birds are butterflies are not similar in origin but they perform a similar function which helps in flying. It is an example of analogous organs.Therefore, this is the correct option.
>Option D: Since only one of the above options is correct this is the incorrect option.

Thus, the correct answer is option (C) Wings of birds and butterflies.

Note:Other examples of analogous organs include body of shark and whale and body of snake and earthworm. Though they have different origins but organs perform similar functions based on their similar habitats.