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Cellular

Membrane bound units (cells). Smallest unit of life. Of cells.

Organelle

Biological molecules assembled into tiny structures within membrane-bounded units

Cell

Basic unit of life

Tissue

Groups of simiilar cells that act as a functional unit

Organ

Body structues composed of several different tissues that act as a structural and functional unit

Organ System

Consiting of simliar organs with similar functions

Population

A group of organisms of the same species living in the same place

Species

Organisms that are of similiar apperance that are able to interbreed

Community

Consist of all the populations of different species living together in one place

Ecosystem

Biological community and the physical habitat interacting together

Biome

Similar habitats around the world

Biosphere

The entire planet (i.e Earth)

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