Question

Define fertilization what are it types internal and external
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Answer 1

Fertilization is the process in which fusion of a male and a female gamete occurs(sperm and an egg)

Internal fertilizatiom refers to fertilizatn which occurs within the organism... Like humans

External fertilizatn occurs outside the body of the organism... For example in frogs the eggs and sperms are released in water where they fuse later depending on external conditio

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Answer 2

Answer:

External fertilization is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body. It is contrasted with internal fertilization, in which sperm are introduced via insemination and then combine with an egg inside the body of a female organism.