Black banded snakes live up to about 20 years under ideal conditions. the snake comes upon shore to mate and lay their eggs. mating occurs in september throughout december. the females will lay up to 10 eggs.
Dna replication needs to occurs because existing cells divide to produce new cells. Each cell needs a full instruction manual to operate properly. so the dna needs to be copied before cell division so that each new cell receives full set of instructions. - Google
Natural variation provided the phenotypes that natural selection then acted on, over time causing evolution
