Catalysts called enzymes are needed for photosynthesis and respiration to work. A. True

B. False

eukarya because is is like alche and b is bacteria and d is animals

explanation:

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

i think this picture will you.