Experimental Question: How does the number of organisms affect the amount of dissolved oxygen in the environment?
a. Develop a hypothesis. (If, then, because...)

Does mitochondria still meet the definition of a eukaryote why or why not?

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

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity