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Grade 5 Unit A Ch 1
Scott Foresman 5th Science Unit A Ch 1 Vocab
| Question | Answer |
|---|---|
| Bacteria | tiny one-celled organisms, some of which can cause disease |
| Cell | the basic unit of a living organism |
| Cell Membrane | the thin layer that makes up the outside of the cell and controls what enters and leaves it |
| Cell Wall | a stiff outer layer that helps keep plants firm |
| Chloroplast | the green cell part in plant cells that traps and uses light energy |
| Classify | to arrange in groups using a system |
| Cytoplasm | jellylike material that fills most of a cell |
| Egg Cell | a cell that can join with a sperm cell to form a new individual |
| Genus | a group of similar species |
| Invertebrate | an animal that has no backbone |
| Kingdom | the largest group into which an organism is classified |
| Mammal | an animal that has hair or fur and feeds its young with milk produced by the mother |
| Nucleus | the cell part that controls the cell’s activities |
| Species | a group of organisms of only one kind that can interbreed in nature |
| Sperm Cell | a cell that can join with an egg cell to form a new individual |
| Vascular Plant | a plant with long tubes inside that carry food and water to all the parts of the plant |
| Vertebrate | an animal with a backbone |
| Virus | a tiny particle that can reproduce only inside the cells of living things |