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Matter to Organisms
Quiz 1
| Term | Definition |
|---|---|
| ecology | the study of the environment |
| ecosystem | a natural system of living and nonliving things in a given area that interact with each other |
| abiotic factors | the nonliving parts of an ecosystem (sun, soil, water, temperature, air) |
| biotic factors | the living, or once living parts of an ecosystem (animals, plants, microorganisms) |
| organs | specialized plant parts that help them get the resources they need to survive |
| leaf | plant organ where most photosynthesis and exchange of gasses takes place |
| chlorophyll | the pigment responsible for the green color of plant leaves; site where photosynthesis takes place |
| stomata | openings on leaves that allow the exchange of gasses (CO2 & H2O) |
| stem | plant organ that transports materials (water, sugar, nutrients) between roots and leaves |
| root | plant organ that holds the plant in place and absorbs water and minerals |
| hydroponics | a technique of growing plants using water-based nutrient solutions rather than soil |
| 5 things plants must have to grow: | sunlight, water, air, nutrients, space |
| Plant Organs | stem, root, leaves |
| A plant cannot grow without.... | air and water |
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