{"id":27374,"date":"2025-10-10T13:10:44","date_gmt":"2025-10-10T13:10:44","guid":{"rendered":"https:\/\/vividscience.org\/?page_id=27374"},"modified":"2025-10-10T21:29:06","modified_gmt":"2025-10-10T21:29:06","slug":"leaves","status":"publish","type":"page","link":"https:\/\/vividscience.org\/index.php\/online-envirobio\/organisms\/plants\/leaves\/","title":{"rendered":"4a2 Leaves"},"content":{"rendered":"\n
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\n \n Leaves <\/span>\n\n \n \n Photosynthesis & Gas Exchange <\/span>\n <\/h1>\n<\/div>\n\n\n
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Leaves Objectives<\/strong><\/h3> <\/div>\n<\/div>\n\n
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  • Describe plant structures that we consume, including the vegetables developed from Brassica oleracea<\/em>.<\/span><\/strong><\/li>\n
  • Provide the characteristics of leaves, including the structures involved in gas exchange and photosynthesis.<\/strong><\/li>\n
  • Collect, press, identify, and label a leaf.<\/strong><\/li>\n<\/ul> <\/div>\n<\/div>\n <\/div>\n <\/div>\n <\/div>\n
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    Our species must eat other organisms to survive, and that includes eating various parts of plants.\u00a0 This section begins with an overview of vegetables and than focuses in on leaves.\u00a0 The next section examines stems & roots.<\/strong><\/h6> <\/div>\n<\/div>\n <\/div>\n <\/div>\n <\/div>\n
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    From the last guide, which of the foods in this photo are not vegetables?<\/p> <\/div>\n<\/div>\n\n

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    answer: tomatoes & beans 
    (fruit)<\/pre>    <\/div>\n<\/div>\n        <\/div>\n                    <\/div>\n                <\/div>\n                        <\/div>\n        <\/div>\n                        
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    Vegetables are derived from specific leaves, stems, or roots that have been bred over generations to improve size, taste, and nutrient quality.<\/strong><\/h6>    <\/div>\n<\/div>\n\n
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    \n            \"Leaf    \n        <\/div>\n    \n    \n        
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    \n                                    Leaf                            <\/h3>\n                        
    \n            Leaf vegetables include lettuce, Swiss chard, and spinach.        <\/div>\n        \n            <\/div>\n    \n        <\/div>\n        <\/div>\n                    
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    \n            \"Stem    \n        <\/div>\n    \n    \n        
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    \n                                    Stem                            <\/h3>\n                        
    \n            Stem vegetables include asparagus, rhubarb, and potato.        <\/div>\n        \n            <\/div>\n    \n        <\/div>\n        <\/div>\n                    
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    \n                                    Root                            <\/h3>\n                        
    \n            Root vegetables include carrots, radishes, and yams.        <\/div>\n        \n            <\/div>\n    \n        <\/div>\n        <\/div>\n                    <\/div>\n                <\/div>\n                        <\/div>\n        <\/div>\n                        
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    Brassica<\/em> vegetables<\/h2>    <\/div>\n<\/div>\n        <\/div>\n                        <\/div>\n        <\/div>\n                        
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    Several vegetables have been developed from a single species: Brassica oleraceae<\/em><\/strong>, the wild cabbage.\u00a0 Selective breeding of parent plants with desired traits over many generations led to larger leaves, or buds, or stems.<\/p>    <\/div>\n<\/div>\n        <\/div>\n                    
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    This video compares some of the Brassica oleracea<\/em> vegetables.<\/strong><\/h6>    <\/div>\n<\/div>\n\n
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