Why is base pairing important in DNA?

Aplant has an egg with 34 chromosomes how many chromosomes does a leaf cell of that plant have

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

What type of competition exsist between two species. turtles and fish