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Atoms to Ecosystems

Terms and definitions

Cell The basic unit of structure and function in living things
Tissue A group of similar cells that perform a specific function in an organism
Organ A structure in the body that is composed of different kinds of tissue
Atom The smallest unit of an element
Organism Anything living in the biosphere
Population Groups of the same types of organisms living together
Organ system A group of organs that work together to perform a major function in the body
Molecule A combination of two or more atoms that are bonded together
Community Many types of different organisms living together in one place
Ecosystem All the living and nonliving things that interact in an area
Created by: bmercer