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levels of organization

Atoms The smallest part of a cell
Molecules Made of one or more atoms bonded (stuck) together
Oraganelles Composed of molecules,and carry out specific functions for each cell
Cells Smallest functional unit of life. All living organisms are composed of one or more cells
Tissues Make up the second level of organization. They are formed by joining of the cells that have similar function or structure
Organs A group of tissues that perform a specific function or group of functions. (example=the heart)
Organ system A collection of organs that work together to perform 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 of the same species.(example=wolves)
Community A group of interacting species sharing a populated environment.(example=wolves,rabbits,and grass living 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 of similar ecosystems (example=rainforest,tundra,desert)
Created by: olongoria