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STEM LS 5-6
| Question | Answer |
|---|---|
| ______ contain the dormant, living embryo of a plant. | seeds |
| ______ is the onset of growth and differentiation in plant seeds. | germination |
| Growing roots typically have a root tip where ______ takes place. | cell division |
| The ______ is the primary source of food for seed germination. | cotyledon |
| Seeds are _____ in a variety of ways | dispersed |
| ______is a component of the water cycle. It is the process through which water vapor leaves plant cells through the stomata. | transpiration |
| ______ is the system of tube-like connected cells that transports water, minerals and sometimes sugar from the roots to all structures of the plant. | xylem |
| ______ transports sugar from the photosynthetic cells to other parts of the plant. | Phloem |
| ______ are openings on leaves that are controlled by guard cells. | stomata |
| Water in the form of _____, a gas, continually leaves the plant through the stomata. | water vapor |
| Cell walls are made of _____ which is flexible and yet rigid. | cellulose |
| Leaves are the food factories for plants because this is where most of the _____ takes place. | photosynthesis |
| Photosynthesis is the process by which plants make food from water and carbon dioxide in the presence of _____. | sunlight |
| _____ are green organelles that contain chlorophyll, the chemical that uses light to produce sugars in plants. | chloroplasts |
| Seeds are alive in a _____ state until the conditions are right for it to germinate. | dormant |
| Germination required oxygen, water and _____. | heat |
| The _____ protects the seed until germination occurs. | seed coat |
| The cotyledon provides food for the plant and composed of a starchy substance called _____. | endosperm |
| The _____ is the baby plant. | embryo |
| Seeds need _____, warmth and oxygen to germinate. | water |
| _____ are the first structure to emerge during germination. | roots |
| Roots always grow in the direction that _____ pulls. | gravity |
| _____ always grow away from the Earth in an upward fashion. | Shoots or stems |
| The _____ is a mass of cells at the very tip of the root that protects the tip as the roots pushes through the rough soil. | root cap |
| The _____ is just behind the root cap; The cells here are small and busy dividing. | root tip |
| The zone of _____ is the area behind the root tip where the cells are more stretched out and growing longer. | elongation |
| The zone of _____ cells are the same length as in the zone of elongation but these have roots hairs extending from the cells. | maturation |
| _____ is an important pigment that captures light energy and makes it available to the plant to help the plant make food. | chlorophyll |
| The stomata are _____ in a wilted leaf. | closed |
| _____ regulate the amount of water passing out of the plant. | guard cells |
Created by:
jhshwood
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