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प्रश्न
Enlist the evidences of evolution.
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उत्तर
Following are the evidences of evolution:
- Morphological evidences
- Anatomical evidences
- Vestigial organs
- Palaeontological evidences
- Connecting links
- Embryological evidences
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संबंधित प्रश्न
Differentiate between analogy and homology giving one example each of plant and animal respectively.
Four students A, B, C and D reported the following set of organs to be homologous. Who is correct ?
(A) Wings of a bat and a butterfly
(B) Wings of a pigeon and a bat
(C) Wings of a pigeon and a butterfly
(D) Forelimbs of cow, a duck and a lizard
Find out from newspapers and popular science articles any new fossil discoveries or controversies about evolution.
Enlist any four sequential evolutionary names of human ancestors.
Name the scientists who Discovered the fossil of Australopithecus
The organs which perform different functions but have the same basic structure are known as :
(a) homologous organs
(b) analogous organs
(c) homolytic organs
(d) analytic organs
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.
You have potato, carrot, radish, sweet potato, tomato and ginger bought from the market in your jute bag. Identify two vegetables to represent the correct homologous structures.
(A) Potato and tomato
(B) Carrot and tomato
(C) Potato and sweet potato
(D) Carrot and radish
What do you mean by vestigial structures? Name four vestigial organs found in man.
Define fossil.
Very short answer question:
What is vestigeal organ?
Observe the given images and answer the following questions.
- Which evolutionary evidence does it indicate?
- What does it prove?
- State another example of evolutionary evidence.
Homologous organs and vestigial organs are examples of ______ type of evidence in evolution.
Where is carbon dating used?
Homologous organs are:
Palaeontological evidence for evolution refers to the ______.
The bones of forelimbs of whale, bat, cheetah and man are similar in structure, because ______.
How do we compute the age of a living tree?
Write down the difference between homologous and analogous organs.
