How does the contractile vacuole in a single-celled organism function to maintain homeostasis? it pumps water into the cell. it pumps water out of the cell. it pumps solutes into the cell. it pumps solutes out of the cell.

Which would be an adaptation in a rainforest, but not in a tundra? a. ability to store water for a long time b. fur that blends in with snow c. strong claws for killing prey d. a beak that can dig into thick trees

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis