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प्रश्न
Long answer question.
Would you consider wings of butterfly and bat as homologous or analogous and why?
उत्तर
The wings of butterfly and bat are analogous but not homologous.
Examples of analogous structures are as follows:
1. Wings of butterfly (insects) and of birds look superficially alike but they are not anatomically similar structures though they perform similar functions.
2. Eye of the octopus (mollusca) and of mammals. They differ in their retinal position, the structure of lens, and the origin of different eye parts.
3. The flippers of penguins (birds) and dolphins (mammals).
4. Sweet potato (root modification) and potato (stem modification) store food in form of starch.
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संबंधित प्रश्न
If you are asked to select a group of two vegetables, out of the following, having homologous structures which one would you select?
(a) Carrot and radish
(b) Potato and sweet potato
(c) Potato and tomato
(d) Lady finger and potato
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
Wing of an insect and forelimb of a bird are :
(a) analogous organs
(b) analeptic organs
(c) homologous
(d) homophobic organs
The presence of which of the following types of organs in two organisms indicates that they are derived from the same ancestor?
(a) analogous organs
(b) respiratory organs
(c) digestive organs
(d) homologous organs
Explain with suitable examples importance of anatomical evidence in evolution.
Appendix : vestigial organ : : Peripatus : ____________
The degenerated and non-functional organs found in an organism are called ______.
Flippers of Penguins and Dolphins are examples of:
How do we compute the age of a living tree?
Define the term:
Homologous organs
