Differentiate between internal fertilization and external fertilization. What type of fertilization takes place in

(a) frog, and (b) fox ?

Differences between internal fertilization and external fertilization:


Internal fertilization



External fertilization



It takes place inside the female body.



It takes place outside the female body.



Example – Human being.



Example – Frog, starfish.



(a) In frog, external fertilization takes place.


(b) In fox, internal fertilization takes place.


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