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Living Environment Vocabulary Words

Across
A prediction based on research and observation
The group that is not being tested or changed
The variable the researcher is testing or changing, when graphed this is goes on the X-axis
A large group of complex molecules that do specific jobs in the body
The smallest unit that can live on its own and that makes up all living organisms and the tissues of the body
Down
A process that plants use to turn light, energy, and carbon dioxide into sugar and oxygen
The act of maintaining a balanced internal environment
Any of a number of organized or specialized structures within a living cell
A nucleic acid that contains the genetic information for cell growth
A protein that speeds up the rate of a chemical reaction