What is geographical isolation? (b) Illustrate formation of a species with the help of an example where individuals are very different from each other and are capable of reproduction among themselves.
Updated 1/12/2026
What is ozone? How does it protect the organisms on the earth?
Updated 1/12/2026
What is reflex action? Explain the mechanism of reflex action with a suitable example.
Updated 1/12/2026
Define variations in relation to a species. Why is variation beneficial to the species?
Updated 1/12/2026
What are two main components of our environment?
Updated 1/12/2026
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