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6 gr Cells
Term | Definition |
---|---|
living | are made up of one cell or more cells |
nonliving | Is not and never was made of cells; |
prokaryotic | cells do not have a nucleus |
eukaryotic | cells have a nucleus |
unicellular | one cell organism; made of a single cell |
multicellular | an organism composed of many cells |
autotrophic | Make their own food through photosynthesis, therefore do not depend on other organisms for food |
heterotrophic | consume other organisms for food |
homeostasis | ability to adjust internal processes in order to find a balance to survive changes |
reproduce | make new offspring (human offspring are children) |
cell theory | States that all living things: 1) are made of cells, 2) all cells come from pre-existing cells, 3) cells are the basic unit of life. |
Cell | The smallest unit that can live on its own and that makes up all living organisms |
nucleus | Membrane bound organelle that contains genetic material |
photosynthesis | process that uses light energy to convert water and carbon dioxide into oxygen and chemical energy (food) |
adapt | change as a population over time |
variation | different traits in a population of the same species that live in the same area |
trait | Characteristics that an organism has and can be passed onto the next generation |