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Science notes for Chapter 2

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Chlorophyll   the green substance inside leaves that helps a plant use light energy to make its food  
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deciduous   plants that lose all their leaves at the same time every year  
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evergreen   a plant that stays green and makes food all year long  
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leaf   the part of a plant that grows out of the stem and is where the plant makes food.  
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nutrients   things in the soil that helps plants grow and stay healthy  
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photosynthesis   the process that plants use to make sugar  
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roots   the parts of a plant that grow underground and take water and nutrients from the soil  
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seeds   the first stage of life for many plants  
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stem   the part of the plant that grows above ground and helps hold the plant up  
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What do plants need to live?   they need air water sunlight and soil to live  
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Where can you find plants?   they can be found almost anywhere on Earth  
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What is the function of a stem?   A stem supports the plant and brings the water from the roots to the leaves  
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What is the function of a leaf?   A leaf is where the water and carbon dioxide is turned into sugar and oxygen  
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What is the function of the roots?   The roots suck in water and hold the plant in the ground  
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What is the function of the flower?   The flower makes the seeds to reproduce the plant  
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Why are seeds important?   Seeds make sure the species of plant doesn't die out  
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How do plants without flowers reproduce?   Plants without flowers reproduce using cones or spores  
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How is it possible that plants can live everywhere?   Plants use their parts to get what they need  
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How do scientists group plants?   Scientists group plants by their leaves  
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What is a deciduous plant?   A deciduous plant loses its leaves every year in the fall  
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What is an evergreen plant?   An evergreen plant does not lose its leaves every year  
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What helps the plant during photosynthesis?   The leaf has chlorophyll to help it.  
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How are plants helpful?   Plants are a source of energy medicine and materials for clothing  
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How are plants harmful?   Some plants are poisonous and people can be allergic to some plant parts  
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