Compare primitive communities to climax communities.

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

What drives an advertising campaign?