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PCS Liv Env

Levels of Organization

TermDefinition
biosphere the part of the Earth that contains all ecosystems (largest level)
ecosystem living and non living in area (2nd largest level)
community all the species in an area (3rd largest level)
population all of one species in an area (4th largest level)
organism individual living things (5th largest level)
tissues group of cells (6th largest level)
cells collection of living matter enclosed by a barrier (7th largest level)
molecules group of atoms; smallest unit of most chemical compounds (smallest level)
Created by: Ms.Sala