define ecosystem, What are the types of ecosystem, Mention examples of living organisms and nonliving things, How do you get energy? , Hawks get energy from eating......., Define food chain , Mention an example of food chain , what is the difference between prey and predator?, Choose 2 friends and compare between producers, consumers and decomposers, consumers are classified into ......, Define food web , who is Dr.Becky Barak?, Define restoration.

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