*PLEASE ANSWER* What idea about overpopulation was first proposed by the scholar Thomas Malthus? a.) Overpopulation of any species does not exist. b.) Human overpopulation is a problem. c.) Human overpopulation can not ever exist. d.) Overpopulation is caused by natural selection.

Choose a mutation from those in model 2 that would be neutral for a cell. explain your reasoning by relating the mutation to the cellular respiration process.

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

How are fungi more like an animal? they have a cell wall. they are heterotrophs that absorb their food. they produce seeds and have membrane-bound nucleus. they use sunlight for photosynthesis.