3rd-5th Grade (upper elementary) Lesson 2

this process, called photosynthesis, plants give off oxygen, which humans a n d oth er im ls v . If the plant needs food right away, it uses the glucose. Since plants don’t usually need all of the glucose right away, they change it to sucrose (table sugar), starch, or other materials (such as the oils or proteins in seeds), and store it for ... ................
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