It allows the individual in a populations to survive and have offspring with the desire trait needed to live while those without will die out
Answer:
a hypertonic cell
Explanation:
if it is a hypertonic cell it will expand
Answer:
D. By diffusion across a capillary wall
Explanation:
D is the best answer because gas exchange takes place in our lungs. Our lungs have alveoli which have a network of tiny blood vessels called capillaries, here the O2 diffuses the capillary wall to enter the bloodstream, and similarly CO2 diffuses out and we exhale it our from our lungs.
Answer:::::::::::: Meiosis………
