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| With group: Grade 4 | |
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| Term | Definition |
|---|---|
| algae | an aquatic, moss like plant with no roots, stems, or leaves |
| atmosphere | the air around us |
| bacteria | germ |
| fungus | mold or mildew |
| humidity | the amount of moisture in the air; dampness |
| oxygen | an odorless, colorless, tasteless gas that we breathe |
| marsupial | mammal with a pocket |
| mite | tiny insect or bug |
| transparent | see through |
| fern | leafy plants without flowers |