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Question

What is his first observation of Darwin in his theory related with evolution?

WBBSE Class X Life Science 04 (a) Evolution 01 Mark 2025

Answer

Prodigality of reproduction.

Explanation:

Darwin observed that organisms show prodigality of reproduction, i.e., they reproduce in geometrical progression producing enormous number of offspring (e.g., Ascaris eggs, salmon eggs), which is his first major observation leading to the idea of struggle for existence.

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