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प्रश्न
Coelacanth was caught in South Africa. State the significance of the discovery of Coelacanth in the evolutionary history of vertebrates.
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उत्तर
Coelacanth was a fish was caught in South Africa in 1938, which was thought to be extinct. These animals were called lobefins which evolved into first amphibians that lived on both land and water. These are considered to be the ancestors of modern days frogs and salamanders.
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संबंधित प्रश्न
Describe the structure of its microsporangium.
Differentiate Between Cross Pollination and Self Pollination:
Give an account of various abiotic agencies used in pollination along with their adaptations for pollination.
Autogamy can occur in a chasmogamous flower if ______.
Pollination by water occurs in ______.
Feathery stigma occurs in ______.
Triple fusion in Capsella bursa pastoris is fusion of male gamete with ______.
In some plants anther and stigma mature at the same time this condition is called ______.
Which type of pollination does the figure indicate?
In which one of the following pollination is autogamous?
