Question

Give the difference between internal and external fertilization.

Answer 1

Internal fertilization- Internal fertilization is the process of fusion of sperm and an egg cell during sexual reproduction inside the body.

External fertilization- It occurs outside the female body.

There are low chances of survival of the offspring.

Most aquatic animals use this type of fertilization and the advantage of external fertilization is that it produces a large number of offspring due to external hazards.

Examples are fish, frog, organisms etc.

Answer 2

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▪️INTERNAL FERTILIZATION :
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1) THE FERTILIZATION TAKES PLACE INSIDE FEMALE BODY IS CALLED INTERNAL FERTILIZATION.

2) In internal fertilization the male animal puts his sperms into female animals body.

3) internal fertilization occurs in animal such as - humans, dogs, cats ,rabbits etc .

▪️ EXTERNAL FERTILIZATION :
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1) FERTILIZATION SWITCH OCCURS OUTSIDE THE FEMALE ANIMALS BODY IS CALLED EXTERNAL FERTILIZATION.

2) an external fertilization female animals and male animals releases their sperm and eggs.

3) External fertilization is very common in animals like frog, fish,starfish etc

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