Which of the following is a characteristic of the plasma membrane? To protect the cell's internal contents, water is the only substance that can freely pass through the plasma membrane.

Only small molecules are allowed into and out of the cell by the plasma membrane.

Its selective permeability allows certain molecules, such as oxygen and carbon dioxide, to flow freely in and out of the cell while controlling the flow of other molecules.

The structure of the phospholipids forms a stiff protective outer shell around the cell's internal contents.

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.

Everything that you need in a lab is in your lab