Answer the questions using the "radio bullets" to the right.
Ignore questions and choices that aren't used, the form is standard.
Special Instructions (if any)
Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.
____ 1. The biosphere is a. all parts of Earth inhabited by living things. b. the living world. c. animals and plants only. d. the nonliving world.
____ 2. Life’s basic unit of structure and function is the a. gene. b. cell. c. organism. d. species.
____ 3. Each distinct form of life or type of organism is called a a. cell. b. domain. c. system. d. species.
____ 4. The process by which organisms keep their internal conditions relatively stable is called a. homeostasis. b. evolution. c. reproduction. d. photosynthesis.
____ 5. A group of cells that together perform a similar function is called a(an) a. organ. b. organ system. c. tissue. d. division of labor.