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Chapter 5 Science
| Question | Answer |
|---|---|
| Epidermis | thin outer layer of cells |
| Xylem | moves water & minerals to other parts of the plant |
| Phloem | carries sugars made in the leaves throughout the plant |
| Stoma | small holes that water & gases pass in & out of the plant through |
| Some plant have 1 large root called a taproot with | many roots growing from it |
| Transpiration | loss of water from leaf |
| Tropism | plant behavior cause by growth toward or away from something in the environment |
| Photosynthesis | process through which plants make glucose |
| Cellular respiration | process by which cells break down glucose wit the release of energy |
| Cuticle | waxy layer that may cover a leaf & slow water loss |
| Describe 2 functions of stems in a flowering plant. | Stems provide support for the plant as it grows. the stems also have xylem & phloem which move water, minerals, and glucose through the plant. |
| Describe the carbon dioxide-oxygen cycle & explain how it benefits plants & animals. Use the terms photosynthesis & cellular respiration in your answer. | Photosynthesis uses the sun, carbon dioxide, & water to make glucose and oxygen. cellular respiration uses oxygen to break down glucose. this provides energy for the plant. animals exhale carbon dioxide which provide the plant with what it needs to prod |
| Compare/contrast spores & seeds. | Spores contain single cells that grow into new plant & a seed contains a multicellular embroyo that develops into a new plant. |
| 3 examples of tropism. | Gravitropism- plant responses to gravity; roots grown down & stems grow up Phototropism- responses to light; stems bend forward to the light & roots bend away from light Thigmotropism- responses to touch; plants grow toward the surface they touch |
| How does the environment influence the time at which a seed germinates? How this help it survive? | Seeds need a certain temperature, water, & oxygen. If the environment isn't right seeds won't germinate & the embryo stays inside the seed |
| are taproots that store extra food made by the plant | Carrots |
| Carrots are roots that | store water |
| open and close a leaf's stoma | Guard cells |
| During photosynthesis plants use | energy from the sun, carbon dioxide from the air, & water to make glucose & oxygen |
| releases energy & is called the power house of the cell | A mitochondrian |
| Some seed plants called angiosperms produce | flowers |
| Most seeds develop into a | fruit |
| the female cone closes up & seeds grow in it | After fertilization |
| can result from chemicals the plant makes | Plant behaviors |
Created by:
chenry13
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