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प्रश्न
How do you differentiate homologous organs from analogous organs?
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उत्तर
| Sr. No. | Homologous organs | Analogous organs |
| 1. | The homologous organs have been inherited from common ancestors, with similar developmental pattern in embryos. | Analogous structures are shown in a batwing, a bird wing and an insect wing. |
| 2. | The forelimbs of a human hand, a front leg of a cat, the flipper of a whale and a bat’s, wing look dissimilar and adapted for different functions. | The analogous organs look similar but perform similar functions. |
| 3. | Their mode of development and the basic structure of bone are similar. | They have a different origin. Wings of insect are membranous extensions whereas wings of a bat is a bony structure. But performing the same function of flying. |
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संबंधित प्रश्न
State the connecting links between Peripatus with Annelida and Arthopoda.
Explain with an example for the given, how the following provides evidence in favor of evolution in organisms :
Analogous organs
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
Explain with suitable examples importance of anatomical evidence in evolution.
_______ is a connecting link between Annelida and Arthropoda.
Very short answer question:
What is vestigeal organ?
The decaying process of C-14 occurs continuously in dead organisms only.
Homologous organs and vestigial organs are examples of ______ type of evidence in evolution.
Which is not a vestigial organ in a man?
You have studied the story of Peppermoths in England. Had the industries been removed, what impact could it have had on the moth population? Discuss.
