The cell membrane of the red blood cell will allow water oxygen and carbon dioxide pass through because other substance are blocked from entering what is this membrane called

Like other osmoregulatory animals that live in marine environments, sharks maintain tissue concentrations of sodium, potassium, and chloride that are hypoosmotic to the seawater.

Which of these characteristics first developed in reptiles? amniotic egg four-legged body animals with lungs. skull and vertebral column scales on skin?

What is the second step scientific method? apply this step to the scenario involving Thomas keys.

Which two kingdoms contain multicellular heterotrophs.

In what order does inhaled air travel into the respiratory system

Which of the following is NOT a step used by cytotoxic T cells to kill infected host cells? -Secretion of granzyme -Recognition of infected host cell using its TCR -Recognition of infected host cell using its CD4 glycoprotein -Secretion of perforin

Explain how having nerve cells clustered around the edge of its bell is advantageous to a medusa

Through the process of photosynthesis, light energy from the Sun was transformed into chemical energy in the form of sugar within a strawberry plant.

Which is an ion found in a glass of water? A. H+ B. N+ c. O- D. O2

As air moves away from the tropics and toward the poles, it becomes A.) Cool and dry B.) Cool and moist C.) Warm and dry D.) Warm and moist