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Explain why existing organs undergo gradual changes instead of sudden development of new tissues or organs in living organisms.
Explain why existing organs undergo gradual changes instead of sudden development of new tissues or organs in living organisms.
Sudden development of new tissues or organs is not possible in living organisms for adapting to changing environments.
What are vestigial organs?
What are vestigial organs?
Degenerated or underdeveloped useless organs of organisms
How do vestigial organs start to degenerate according to the principle of natural selection?
How do vestigial organs start to degenerate according to the principle of natural selection?
When a structure becomes useless or harmful in a different situation, it begins to degenerate under natural selection.
Give an example of a vestigial organ in humans that is fully functional in ruminants.
Give an example of a vestigial organ in humans that is fully functional in ruminants.
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Which organ is useless to humans but useful in monkeys for the movement of ear pinna?
Which organ is useless to humans but useful in monkeys for the movement of ear pinna?
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