4th grade science vocab
Terms
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- Cell
- The basic unit of structure and function in a living thing.
- Cell Membrane
- A thin wall that gives the cell its shape
- cytoplasm
- A jelly like substance that fills the inside of the cell
- Nucleus
- the brain of the cell
- cell wall
- a structure that keeps the cell hard and supports the plant
- Chloroplasts
-
contain chlorophyll and make the
plant green - microorganisms
- tiny living things that you can only see with a microscope
- Vertebrate
-
animals with a backbone. Humans
snakes, dogs. - Invertebrates
- Animals that do not have a backbone. insects
- arthropods
- the largest group of invertebrates. all insects are arthropods