Which of the following is the most important process specific to land-dwelling plants? a. production of photosynthetic pigment b. conservation of water c. exchange of gas d. presence of cell wall

Match each organ or function with its body system. produces urine large intestine ureters mouth filters blood absorbs nutrients from food

4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%