They do not have lungs. They have gills tat help them get the oxygen out of the water around them.
The correct answer is: A. Water molecules will move from Side A to Side B. The solution level on Side A will fall and the solution level on Side B will rise.
Because the barrier is permeable only for water, water will move via osmosis-down the gradient (into a area of higher solute concentration). Water tends to equalize the solute concentrations of the side A with the solute concentrations of the side B.
Answer:
Protein is correct
Explanation: the other three choices have positive charges
Answer:
D
Explanation:
Your brain sends out the commands to the effectors in the body, but the sensors around the body send information to be processed in the brain about equilibrium.
Answer:
D, both species benefit from the relationship
Explanation:
