The pituitary gland is important to the endocrine system because it

Can a trait be both polygenic and have multiple alleles? explain why or why not.

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.

Describe the impact of deforestation of both abiotic and biotic factors within the tropical rainforest.