

光合作用
Presentation
•
Science
•
4th Grade
•
Practice Problem
•
Hard
LIM Moe
Used 1+ times
FREE Resource
9 Slides • 0 Questions
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光合作用
植物与人类或动物一样,需要食物才能生存。
人类和动物四处移动寻找食物;植物无法移动,但会自己制造食物。
植物利用阳光、水分、二氧化碳和叶绿素来制造食物 --- 糖的同时,也释放氧气。这个过程称为光合作用。
过程中,多余的糖分将转换成淀粉,并储存在植物的各个部位里。
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光合作用的重要性
提供食物
提供庇护所
提供氧气
保持空气的平衡
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提供食物
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提供庇护所
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提供氧气
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保持空气的平衡
光合作用
植物与人类或动物一样,需要食物才能生存。
人类和动物四处移动寻找食物;植物无法移动,但会自己制造食物。
植物利用阳光、水分、二氧化碳和叶绿素来制造食物 --- 糖的同时,也释放氧气。这个过程称为光合作用。
过程中,多余的糖分将转换成淀粉,并储存在植物的各个部位里。
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