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प्रश्न
Mammals : _________ : : Amphibia : Fishes
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उत्तर
Mammals : Reptiles : : Amphibia : Fishes
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
With the help of any two suitable examples explain the effect of anthropogenic actions on organic evolution.
Human tailbone is a vestigial organ. Explain.
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
Answer the following question.
Wisdom teeth : Vestigial organs :: Lungfish : ....................
Very short answer question:
What is vestigeal organ?
Find an odd one out.
Give scientific reason.
Duck-billed platypus shows relationship with mammals.
Write a short note:
Embryological evidences
Enlist the evidences of evolution.
Which evidence of evolution is shown in the given picture? Explain the importance of this evidence.
Write the answers to the questions by observing the figure below.
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 |
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| (a) | (b) | (c) |
- Write the name of the animal ‘(a)’ in the figure.
- Write the name of the animal ‘(b)’ in the figure.
- Write the name of the animal ‘(c)’ in the figure.
- Which evolutionary evidence is illustrated by this figure?
- Write the definition of that evidence for evolution.
Evolutionary convergence is the development of:
The process of mating of individuals, which are more closing related than the average of the population to which they belong is called ______.
Which is not a vestigial organ in a man?
Organs having similar functions but different origin and development are known as:
Give a scientific reason.
Morphological evidences suggest that dog, sheep and wolf have a common origin.
Find odd one out:
Write a note on the significance of Palaeontology.
