Answer: Alveoli
Explanation: Alveoli of lungs are surrounded by extensive blood capillaries. The partial pressure of oxygen in the alveoli is higher than the blood entering the pulmonary capillaries, hence oxygen moves into the blood. Carbon dioxide in the lungs simultaneously diffuse out of the blood into the alveolar space.
Answer:
mutations in proto-oncogene are generally cancerous while mutation in tumor-suppressor alleles are recessive and result lost of function
<span>The group includes their common ancestor but also the seeded descendants of that same ancestor.</span>
D. <span>The stomata will close until enough water is lost.</span>
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They would eventually die out because they don’t have the correct adaptations, or they could breed together to make more of the adapted versions. Basically survival of the fittest
