1.

What are the difference between External Fertilization and internal Fertilization.

Answer»
EXTERNAL FERTILIZATIONINTERNAL FERTILIZATION
Fertilization takes place outside the body.Fertilization takes place inside the body
External medium is required- water.No external medium required
Large no. of gametes produced.Lesser no. of gametes produced.
Offsprings –less protectedOffsprings- well protected.
Eg. Algae, fish, amphibiansGymnosperm, angiosperm, aves, mammals.
 


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