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4-Food chains and food webs Organisms need energy to grow and reproduce. Some organisms, such  as plants, make their own food, but most feed...

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    The senses Our sense organs allow us to interact with the world around us. 1- Sight Light reflected from an object enters our eyes through t...
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    4-Food chains and food webs Organisms need energy to grow and reproduce. Some organisms, such  as plants, make their own food, but most feed...
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