Why are the models of solar systems that you can purchase in stores not to scale?

Where can you find prokaryotic and eukaryotic cells?

Each hereditary trait corresponds to

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