Advertisements
Advertisements
प्रश्न
Define the term:
Homologous organs
Advertisements
उत्तर
Homologous organs are those organs, which are structurally similar but perform different functions.
APPEARS IN
संबंधित प्रश्न
(a) Select the analogous structures from the combination given below:
(i) Forelimbs of whales and bats
(ii) Eyes of octopus and mammals
(iii) Tuber of sweet potato and potato
(iv) Tuber of Bougainvillea and tendrils of Cucurbita
(b) State the kind of evolution they represent
Explain with an example for the given, how the following provides evidence in favor of evolution in organisms :
Homologous organs
The forelimbs of a frog, a bird and a man show the same basic design (or basic structure) of bones. What name is given to such organs?
Long answer question.
Would you consider wings of butterfly and bat as homologous or analogous and why?
Match the following.
| Column A | Column B |
| 1) Morphological evidences | a) Tail-bone or wisdom teeth |
| 2) Paleontological evidences | b) Leaf venation |
| c) Fossils |
Explain any five types of evidence that support the theory of evolution.
Analogous organs arise due to ______.
While creation and presence of variation is directionless, natural selection is directional as it is in the context of adaptation. Comment.
Explain divergent evolution in detail. What is the driving force behind it?
Write avian characters of Archaeopteryx.
