May fly, wheat, monkey, dog, cat, horse, elephant, eagle, man, parrot, tortoise, Banyan tree and sequoia tree. Name the oldest tree.
1.Fusion of two gametes, genetic recombination, interaction etc. take place which causes variations in the offsprings ,thus it also forms raw material for evolution.
2. The offsprings adapt more comfortably and quickly to the change in environmental conditions and have better chances of survival.
Disadvantages of sexual reproduction.
1.Usually two parents of opposite sexes are required (except in hermaphrodite).
2. It consumes more time and energy.