HSC Together Year 12 Biology: Reproduction in Animals

Reproduction in Animals

Animals use sexual reproduction methods to ensure the continuity of their species, for example, internal and external fertilization. Internal fertilization is the union of an egg cell with sperm during sexual reproduction inside the female body. External fertilization is where the sperm fertilizes the egg cell outside the female body. The video below will look into internal and external fertilization, the advantages, and the differences.

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