How can we say that fish


 How can we say that fish exhibits external fertilisation?


Female fish lay eggs in water while male fish releases its sperms in water. Sperms swim and reach the eggs of fish, randomly due to water

currents.When a sperm comes in contact with the viable egg, nuclei of both the cell fuses to form a zygote. This process of fertilisation takes place in

water outside the female body, hence fertilisation is external in fishes.

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