Use the term "selectively permeable " in a sentence that demonstrates its meaning

What came first egg or chicken? and is tomato a vegetable or a fruit?

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

What are the pros and cons of transect sampling?