Will mark brainliezt. sharks, clown fish, sea anemones, coral and algae are some organisms that live in the ocean. which characteristics of life do all organisms have in common? they live in water they require energy to live they acquire air through their gills they are consumers

i am going to take a stab at this

They require energy to live

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.