Which statement about energy is true? a. energy can’t be created or destroyed. b. energy can’t transform into different forms. c. organisms at the top of food chains have access to the most energy. d. energy can undergo transformations only in animals.

The term autotroph refers to an organism that: a. uses co2 for its carbon source. b. must obtain organic compounds for its carbon needs. c. gets energy from sunlight. d. gets energy by oxidizing chemical compounds. e. does not need a carbon source