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Science: Animals
Scott Foresman 5th grade science vocab for Chapter 1
| Term | Definition |
|---|---|
| Virus | A tiny particle that can reproduce only inside the cells of living things. |
| Bacteria | Tiny one-celled organisms, some of which can cause diseases |
| Cell | The basic unit of a living organism |
| Cell Membrane | A thin layer that makes up the outside of the cell and controls what enters and leaves it. |
| Nucleus | The cell part that controls the cell's activities |
| Cytoplasm | Jellylike material that fills most of a cell |
| Cell Wall | A stiff outer layer that helps keep plant cells firm |
| Chloroplast | The green cell part in plant cells that traps and uses light energy |
| Kingdom | The largest group into which an organism is classified |
| Classify | To arrange in groups using a system |
| Genus | A group of similar species |
| Species | A group of organisms of only one kind that can interbreed in nature |
| Vertebrate | An animal with a backbone |
| Mammal | An animal that has hair or fur and feeds its young with milk produced by the mother |
| Vascular Plant | A plant with long tubes inside that carry food and water to all the parts of the plant |
| Egg Cell | A cell that can join with a sperm cell to form a new individual |
| Sperm Cell | A cell that can join with an egg cell to form a new individual |