smallest to largest Flashcards
1
Q
Levels of Organization
A
Cells - smallest living unit.
Tissues - many cells make up a tissue.
Organs - many tissues make up and organ.
Organisms - individual organism made up of many organs.
Population - organisms of the same species.
Communities - many different populations.
Ecosystem - all living organisms & their physical & chemical environment.
Biome - many similar ecosystems.
Biosphere - zone around Earth where life exists.