An example of a secondary sex characteristic is the increase in hair on some parts of the body. which organ(s) would be responsible for this trait? check all that apply. the thyroid the ovaries the thymus the adrenal gland the testes the pancreas

What is an animal that lives by preying on other animals

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley