How do male and female gametes come together in dioecious animals?

How do male and female gametes come together in dioecious animals?
  1. By a special mechanism for gamete transfer
  2. By self-fertilization
  3. By transfer by wind
  4. No mechanism required

Solution

In dioecious animals, since male and female gametes are formed in different individuals, the organism must evolve a special mechanism for gamete transfer.

Asked in: NCERT

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