Write difference between external and internal fertilization.

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Solution

External fertilization- It takes place outside the female body.
Internal fertilization- It takes place inside the female body.
External fertilization Internal fertilization
External fertilization takes place outside the female body.
Internal fertilization takes place inside the female body.
2. Chances of survival of offspring are more. 2. Chances of survival of offspring are less.
3. Only male gametes are discharged into the female genital tract. 3. Both female and male gametes are discharged into the external surroundings.
4. Examples: Humans, cows, hens, etc. 4. Examples: Fish, frog, starfish.

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Question 09
Differentiate between internal fertilization and external fertilization.

Explain the differences between internal and external fertilization.
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Differentiate between internal fertilization and external fertilization.

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External fertilization	Internal fertilization
External fertilization takes place outside the female body.	Internal fertilization takes place inside the female body.
2. Chances of survival of offspring are more.	2. Chances of survival of offspring are less.
3. Only male gametes are discharged into the female genital tract.	3. Both female and male gametes are discharged into the external surroundings.
4. Examples: Humans, cows, hens, etc.	4. Examples: Fish, frog, starfish.