Natural is a mechanism for the evolution of a population to become better adapted for survival in a specific environment.

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body

In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48