Some species of hares are brown most of the year, but change color to white in the winter. This allows them to blend in through the seasons. Where are these organisms adapted to live?

deciduous forests
desert
tropical rain forests
savanna

What is unique about the members of the group of fungi to which penicillium notatum belongs? they are not important for medicine. they are not made up of hyphae. they are used in fermentation. they lost the reproductive phase.

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.

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?