Which group of organisms does not depend upon obtaining preformed organic molecules from the environment for nutrition

Algae is a group of organisms does not depend upon obtaining performed organic molecules from the environment for nutrition.

Hope this helps,

Davinia.

geologic time scale (for gradpoint) =)

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.