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Levels organization

TermDefinition
Atoms The smallest part of a cell.
Molecules Made of one or more atoms bonded (stuck) together.
Cells Smallest functional unit of life. All living organisms are composed of one or more cells.
Tissues Make up the second level of organisation. They are formed by joining of the cells that have similar function or structure.
Organs A group of tissues that preform a specific function or a group of functions. ( Example = the heart)
Organ Systems A collection of organs that work together to preform a specific function. ( Example = the digestive system )
Organism A living thing that's able to perform simple acts of survival. ( Example = humans, plants, bacteria )
Population A group of organisms that are of the same species. ( Example = wolves )
Community A group of interacting species sharing a populated enviroment. ( Example = wolves, rabbits, and grass living creatures in the same area.)
Ecosystem Has organisms but also includes the land , water, air, rocks, and other non-living things in the area.
Biome A major regional or global community that is made up of similar ecosystems. ( Example; rain forest, tundra, desert.)
Created by: Liv Willis
 

 



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