PLEASE HELP!! Some single-celled organisms, such as Paramecium, can be destroyed if osmosis is not regulated. These organisms maintain homeostasis by using to expel extra water. *
Endocytosis
Contractile Vacuoles
Exocytosis
Sodium-Potassium Pump

the answer is c

explanation:

children tend to take more after their grandparents more than their parents. it’s the dna you received that was passed down to you somewhere in your family. maybe one of your grandparents had/has straight hair and you might have gotten it from them.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u