The carbohydrates, proteins, and minerals that are vital to an organism’s survival are found in... (1) oxygen
(2) carbon dioxide
(3) food
(4) water

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

How can you tell the difference between rough er from smooth er?

The structure that houses the cells genetic information.