Ventilation is the process which the air moves in and out of the lungs. Diffusion is the movement of gases without the use of energy and or effort by the body. Hope this helps!:)
Answer:
Ok so the image is super blurry one my screen but i can mostly make out the words) the correct anwser is most likely B)
Explanation:
It was the theory that an organism could form from something such as mud for an example.
<span>they are both controlled by many </span>genes<span> or </span><span>alleles.
hope this helps :)</span>
