Homologous organs are different from analogous organs. (A ) mention the two basic characteristics that decide about analogy and homology between the two organs. (B) on what basis the classification of organisms into prokaryotic and eukaryotic is done. (C) Name two organisms which are now extricate and are studied from their fossils.
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Homologous Organs:
1. They differ morphologically.
2. They have similar internal structure.
3. They develop in related organisms.
4. Stages in the development are similar.
5. They perform different functions.
6. They have similar developmental pattern.
7. Homologous organs show adaptive radiation (divergent evolution).
Analogous Organs:
1. They show superficial resemblance.
2. Their internal structure is quite different.
3. They develop in unrelated organisms.
4. Stages in the development are different.
5. They have similar functions.
6. They have dissimilar developmental pattern.
7. Analogous organs show convergent evolution.
1. They differ morphologically.
2. They have similar internal structure.
3. They develop in related organisms.
4. Stages in the development are similar.
5. They perform different functions.
6. They have similar developmental pattern.
7. Homologous organs show adaptive radiation (divergent evolution).
Analogous Organs:
1. They show superficial resemblance.
2. Their internal structure is quite different.
3. They develop in unrelated organisms.
4. Stages in the development are different.
5. They have similar functions.
6. They have dissimilar developmental pattern.
7. Analogous organs show convergent evolution.
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