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प्रश्न
Where is carbon dating used?
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उत्तर
Carbon dating is used in studying the paleontological evidences of evolution.
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संबंधित प्रश्न
Select two pairs from the following which exhibit divergent evolution. Give reasons for your answer.
(i) Forelimbs of cheetah and mammals
(ii) Flippers of dolphins and penguins
(iii) Wings of butterflies and birds
(iv) Forelimbs of whales and mammals
How analogy and homology considered as an evidence in support of evolution ?
Which of the following is a correct set of homologous organs?
(a) Forelimbs of frog, bird and lizard
(b) Spine of cactus and thorn of bougainvillea
(c) Wings of bat and wings of butterfly
(d) Wings of a bird and wings of a bat
Four students P, Q, R and S differently reported the following set of organs to be analogous :
P. Forelimb of a frog and forelimb of a lizard
Q. Forelimb of a bird and forelimb of a human
R. Wings of a parrot and wings of a butterfly
S. Wings of a bird and wings of a bat
The two students who have reported correctly are :
(A) P and Q
(B) Q and R
(C) R and S
(D) P and S
Explain the terms analogous and homologous organs with examples.
Name any two temporary embryonic structures in vertebrates which provide evidence for evolution.
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?
What do you mean by vestigial structures? Name four vestigial organs found in man.
Define fossil.
______ is a vestigial organ in human beings.
Select the CORRECT match.
Tendons and ligaments are examples of ______.
Organs having similar functions but different origin and development are known as:
Give an example for convergent evolution and identify the features towards which they are converging.
The evolutionary story of moths in England during industrialisation reveals, that 'evolution is apparently reversible'. Clarify this statement.
Write avian characters of Archaeopteryx.
Write a note on the significance of Palaeontology.
Give one example of homologous organs found in plants.
