Asked by | 24th Jun, 2009, 02:35: PM
Sexual reproduction produces individuals with genes from two parents, which increases the combinations of alleles possible in a population. This increase in combinations of alleles can be useful when changes in the environment occur requiring new adaptations. Populations with large stores of variation can, in general, adapt better to those changes because they already have the necessary variation in place.
Variety enables the death of species with a certain weak element, and the survival of species with an advantageous element. This will create a better species, who is better at surviving.
In asexual reporduction, offsprings are identical copies of the parent. This allows no adaptation, thereby limiting the evolution and survival of the species.
Answered by | 25th Jun, 2009, 07:53: PM
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