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4.1 living things
4.1 Living things 7th
| Term | Definition |
|---|---|
| organism | a living thing one cell or multicellular |
| cell | basic unit of all living things, can be an organism or |
| unicellular | one cell carries out the functions necessary to stay alive |
| multicellular | organism that consists of many cells with specialized cells to carry out certain tasks, all cells work together to keep the organisms alive |
| homeostasis | maintenance of stable internal conditions to help organisms to stay alive, get rid of extra salt; sweat, tears, or urine, sneezing out extra salt |
| characteristics | feature that helps to identify something |
| abiotic factor | a nonliving part of an organism's habitat |
| biotic factor | a living part of an organism's habitat |
| stimulus | any change or signal in the environment that can make an organism react in some way, light sound flavors or odors causing a response |
| autotrophs | produce their own food, by photosynthesis or sun's energy to convert water and a gas into food |