STEM LS 5-6 Word Scramble
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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 |
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jhshwood
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