What characteristic do all living things share? a. they are mobile. b. they give off carbon dioxide. c. they have a brain. d. they are made of cells.

Which osmotic and ionic strategies must marine teleost fishes employ?

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.