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Science Nov. 11 Plan
| Question | Answer |
|---|---|
| Cell | The basic structural and functional unit of all living things. Plant cells are eukaryotic and contain a nucleus, cell wall, and a large vacuole. |
| Dermal Tissue | One of the three plant tissue types; its function is to protect the plant. |
| Eukaryotes | Organisms whose cells contain membrane-bound organelles, including a nucleus that holds the cell's genetic information. |
| Fibrous Root System | A root system in which many branching roots grow close to the soil surface, spreading wide to form mats that anchor the plant. |
| Gravitropism (Geotropism) | A change in the direction of plant growth in response to gravity. Stems typically grow upward (away from gravity), while roots grow downward. |
| Ground Tissue | One of the three plant tissue types; it provides support and storage for the plant. |
| Guard Cells | A pair of cells that control the opening and closing of a stoma, regulating water and gas exchange |
| Organ | A structure composed of different types of tissues that work together to perform a specific function. Plant organs include roots, stems, and leaves. |
| Organ System | A group of organs that work together to perform major functions for an organism. Plants have a root system and a shoot system. |
| Onyanga | A desert plant that can survive up to 5 years without rain, grows only two leaves, and has a wide, shallow root system to capture fog. The largest are estimated to be nearly 2,500 years old. |
| Phloem | The vascular tissue responsible for transporting sugars made during photosynthesis from the leaves to all other parts of the plant. |
| Photosynthesis | The process by which plants use energy from sunlight to convert water and carbon dioxide into sugars (food) and oxygen. |
| Phototropism | The growth of a plant in response to a light source. |
| Plants | Multicellular eukaryotes that have cell walls, large vacuoles, and perform photosynthesis to create their own food. |
| Root System | The organ system, typically below ground, that anchors the plant and absorbs water and dissolved nutrients from the soil. |
| Shoot System | The organ system, typically above ground, that includes the stem and leaves and is responsible for making food. |
| Stomata (singular: Stoma) | Small pores on the surface of a plant, usually on leaves, through which water vapor, carbon dioxide, and oxygen pass. |
| Sundew | A plant that lives in nutrient-poor soil and supplements its diet by capturing and digesting insects with its sweet, sticky leaves. |
| Taproot | A root system that features one large main root with many smaller branch roots, which can grow deep into the soil. |
| Tissue | A group of similar cells that perform a specific function. Plants have dermal, ground, and vascular tissues. |
| Vascular Tissue | One of the three plant tissue types; it is responsible for transporting materials such as water and nutrients throughout the plant. It includes xylem and phloem. |
| Xylem | The vascular tissue responsible for moving water from the roots to the stems and throughout the plant. |
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essaydoctor