Is the evolutionary changes that are adaptive to a given environment. O Adaptive evolution
O Divergent evolution
O Parallel evolution
Adaptive radiation
Question 38
3 pts

a

explanation:

a symbiotic relationship with the mitochondria

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.