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Levels of biological hierarchy
All the environments on earth that are inhabited by life
All the living things in a particular area
Entire array of organisms in an ecosystem
All individuals of a species in the bounds of a specific area
Individual living things
Organs and organ systems
Organs carry out particular function in the body. Organ systems are teams of organs that cooperate in a specific function
Groups of similar cells
Fundamental units of structure and function
Carious functional components that make up cells
Chemical structure with two of more atoms