One who specializes in the treatment of infants is a
a. psychiatrist.
b. dermatologist.
c. gynecologist.
d. pediatrician.

Individuals do not compete directly for resources, but are prey for the same predator

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

Compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.