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Living
The condition of being alive
Non-Living
Referring to something that has never alive.
Dormant
A state of suspended activity. Alive but inactive.
Dead
Organism
An individual living thing.
Functions
An activity performed by an organ or part; the purpose of a behavior.
Food
A substance that provides energy and nutrients for the organisms.
Gas Exchange
A characteristic of life. Occurs at the cellular level.
Energy
The capacity to do work. Most energy comes from the sun.
Waste
Solids, liquids, or gasses that are unusable by the cells of organisms and must be moved out of the cell.
Environment
Everything that surrounds and influences an organism.
Adaptations
Any structure or behavior of an organism that allows it to survive in its environment.
Paramecium
A ciliated protist that lives in fresh water and eats other tny organisms for food.
Responses
An organism's reaction to a stimulus in the environment.
Growth
Increase in size of an organism.
Species
A unit of biological classification that refers to one kind of organism.
Reproduce
To create a new individual organism of the same kind.
Population
All the individuals of one kind (one species) in a species area at one time.