This element is found in all living things. it is recycled when organisms die. it is transformed from one form to another through photosynthesis and cellular respiration. that element is a) carbon. b) hydrogen. c) nitrogen. eliminate d) oxygen.

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?

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

What is a group of organisms that are closely related and share similar characteristics