| A | B |
|---|
| atom | individual stable units of the elements, like Carbon (C) |
| molecule | atoms covalently bonded together, like glucose or DNA |
| organelle | a group of molecules grouped together and forming a "little organ" inside a cell |
| cell | the smallest particles that have all characteristics of life...RECHARGED! May be unicellular organisms OR components inside multicellular organisms |
| tissue | same types of cells working together to carry out a job for an organ |
| organ | several connected tissues that work together to carry out a function of the body |
| organism | an independently living individual who carries out all the characteristics of an organism |
| population | members of the same species who live together and breed together |
| community | several populations living together and interacting |
| ecosystem | all the biotic and abiotic that are together and interacting (like water, birds, plants, insects, & dirt) |
| biome | a group of ecosystems having similar temperature ranges & precipitation ranges, as well as similarly adapted organisms (like rainforests or deserts) |
| biosphere | all parts of the earth and its atmosphere where organisms are found |
| biotic | living |
| abiotic | not living |
| organ system | a group of organs that work together, like the cardiovascular system |
