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Science vocab. Ch 4
| Question | Answer |
|---|---|
| photosynthesis | food-making process in which energy is provided by the sun. |
| tissue | groups of similar cells that perform a specific function in an organism. |
| chloroplast | the structures in which food is made. |
| vacuole | a large storage sac that can expand and shrink like a balloon. |
| cuticle | a waxy, waterproof layer that helps a plant reduce water loss. |
| vascular tissue | a system of tubelike structures inside a plant through which water, minerals, and food move. |
| fertilization | occurs when a sperm cell unites with an egg cell. |
| zygote | a fertilized egg. |
| nonvascular plant | plants that lack a well-developed system of tubes for transporting water and other materials. |
| vascular plant | plants with true vascular tissue. |
| chlorophyll | a green pigment found in the chloroplasts of plants, algae, and some bacteria. |
| sporophyte | a stage where the plant reproduces spores. |
| gametophyte | a stage where the plant produces two kinds of sex cells: sperm cells and egg cells. |
| transmission | the process when objects allow light to pass through them. |
| reflection | the process when light hits a shiny surface the light bounces back. |
| absorption | When dark objects take in light. |
| accessory pigment | a pigment other than chlorophyll found in plant cells. |
| rhizoid | thin,rootlike structures that anchor the moss and absorb and absorb water and nutrients. |
| bog | a type of wetland |
| peat | a blackish brown material made out of mosses compressed into layers. |
| frond | a fern's leaves |
Created by:
courtneydaly
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