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प्रश्न
Explain the importance of Anatomical evidences with examples.
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उत्तर
- Anatomical evidences are the similarities in structures and anatomy between different organisms.
- The hand of a human, foreleg of ox, flipper of whale, and forelimbs of bat appear different superficially or morphologically.
- Also, the function of these structures is different in different animals.
- However, there is a similarity in the structure of bones and bony joints in the organs of these animals.
- These similarities indicate that the animals evolved from a common ancestor thus providing proof of evolution.
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संबंधित प्रश्न
What are vestigial organs?
Give two examples of vestigial organs in human beings and plants.
Which of the following pairs of two vegetables represent the correct homologous structures?
(A) Sweet potato and potato
(B) Sweet potato and tomato
(C) Carrot and potato
(D) Radish and carrot
Which one of the following pairs of vegetables is an example of homologous structures?
(A) Potato and sweet potato
(B) Carrot and radish
(C) Carrot and tomato
(D) Tomato and radish
Explain the terms analogous and homologous organs with examples.
Explain with an example for the given, how the following provides evidence in favor of evolution in organisms :
Analogous organs
Name the scientists who Discovered the fossil of Australopithecus
Select and write analogous structures from the list given below :
1) Wings of butterfly and birds
2) Vertebrate hearts
3) Tendrils of Bougainvillea and Cucurbita
4) Tubers of sweet potato and potato
Out of bacteria, spider, fish and chimpanzee, which organism has a better body design in evolutionary terms? Give reason for your answer.
Wing of an insect and forelimb of a bird are :
(a) analogous organs
(b) analeptic organs
(c) homologous
(d) homophobic organs
One pair of organs in the following animals are not homologous. This is :
(a) forelimbs in humans and lizard
(b) forelimbs in lizard and frog
(c) wings in butterfly and bat
(d) wings in bat and bird
The wings of a housefly and the wings of a sparrow are an example of :
(a) analogous organs
(b) vestigial organs
(c) respiratory organs
(d) homologous organs
The organs P and Q of two animals have different structures but similar functions. On the other hand, the two organs R and S of two other animals have the same basic structure but different functions.
(a) What are the organs like P and Q known as?
(b) Name the organs like P and Q. Also name the animals which have such organs.
(c) What are the organs like R and S called?
(d) Name the organs like R and S. Also name the animals which have such organs.
What do we call the degenerated or partially developed useless organs in living organisms? Enlist such organs in human body? How the same organs are useful in other animals?
Write the names of those animals in whom some vestigial organs in human body are functioning.
“Appearance of melanised moths post-industrialisation in England is a classic example of evolution by natural selection.” Explain.
Choose the correct option of the following question:
Wings of Insect and Birds are examples of :
Define fossil.
Similarities in the initial stages indicate the _______ evidence.
Appendix : vestigial organ : : Peripatus : ____________
Match the following.
| Column A | Column B |
| 1) Morphological evidences | a) Tail-bone or wisdom teeth |
| 2) Paleontological evidences | b) Leaf venation |
| c) Fossils |
Give scientific reason.
Duck-billed platypus shows relationship with mammals.
Which evidence of evolution is shown in the given picture? Explain the importance of this evidence.
The degenerated and non-functional organs found in an organism are called ______.
A human hand, a front leg of a cat, a front flipper of a whale and a bat’s wing look dissimilar and adapted for different functions. What is the name given to these organs?
Select the CORRECT match.
Select the CORRECT set of homologous organs.
Which of these is not a vestigial organ in human beings?
Evolution has exhibited a greater stability of molecular structure when compared with morphological structures. Comment on the statement and justify your opinion.
The process of mating of individuals, which are more closing related than the average of the population to which they belong is called ______.
The presence of gill slits, in the embryos of all vertebrates, supports the theory of ______.
Organs having similar functions but different origin and development are known as:
Explain divergent evolution in detail. What is the driving force behind it?
What is the function of the appendix of our digestive system?
Evolutionary convergence is the development of a ______.
Write avian characters of Archaeopteryx.
Give one example of homologous organs found in plants.
Define Palaeontology.
