When a female bird chooses a mate because of his brightly colored feathers, this is an example of

a) random mating, which maintains equilibrium in the gene pool.

b) sexual selection, which alters allele frequencies in the gene pool.

c) artificial selection, which alters allele frequencies in the gene pool.

d) natural selection, which maintains equilibrium in the gene pool.

Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. how can the student demonstate the theory of endosymbiosis using the models

Scenario #2 in 2001, a population of 2,500 poison dart frogs lived in the amazon rain forest. due to increased deforestation, the population dwindled to 25 frogs in 2019. new government regulations were enacted in 2022, successfully putting an end to the deforestation of the amazon rain forest. once deforestation was stopped, the poison dart frog population was able to recover. by 2050, the population reached 8,000 frogs, of that population, 20 are homozygous recessive for being spotted (ss genotype). q2- ? q- p- p2- 2pq-

What is the correct term for an area of rotating currents in an ocean? when ocean currents combine, they create an area of rotating currents called an