14. All cells contain DNA, which provides information for the cells to make A. different kinds of proteins.
B. different kinds of DNA.
C. new types of organisms.
D. new types of genes.

Florian discovers a rock that is broken into pieces. each piece has several bands. which type of rock does florian predict these pieces will change into when subjected to heat and pressure? igneous magma metamorphic sedimentary

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

In which of the following relationships is one organism always benefited while the other organism is always harmed