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प्रश्न
Define Palaeontology.
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उत्तर
The study of ancient life with the help of fossils is called palaeontology. Fossils are the dead remains of plants and animals that lived in the past in various geological layers.
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संबंधित प्रश्न
(a) Select the homologous structures from the combinations given below:
(i) Forelimbs of whales and bats
(ii) Tuber of potato and sweet potato
(iii) Eyes of octopus and mammals
(iv) Thorns of Bougainvillea and tendrils of Cucurbita
(b) State the kind of evolution they represent.
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
Name any two temporary embryonic structures in vertebrates which provide evidence for evolution.
How do homologous organs help in providing evidence for organic evolution?
_______ is a connecting link between Annelida and Arthropoda.
Very short answer question:
What is vestigeal organ?
Enlist the evidences of evolution.
Define the evidence of evolution shown in the figure.
Tendons and ligaments are examples of ______.
Find the odd one out:
