Create and print Class 3 Ecosystems Challenge Worksheets with answers. Deepen ecosystems reasoning with more demanding, level-appropriate questions. Designed for Class 3. Edit every question and download a clean A4 PDF.
PreviewA4 · sample questions
Class 3 · Science
Ecosystems Challenge practice
Solve each question. Show your work where needed.
What is a producer in an ecosystem?
A. an organism that makes its own foodB. an animal that eats only meatC. a nonliving rock
Why are decomposers important?
A. They stop all plant growth.B. They return nutrients to the ecosystem.C. They create sunlight.
What does a food web show?
A. only the weatherB. interconnected feeding relationshipsC. the age of each organism
What is a producer in an ecosystem? (Set 2)
A. an organism that makes its own foodB. an animal that eats only meatC. a nonliving rock
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Science practice
What this Class 3 Ecosystems Challenge worksheet practises
Deepen ecosystems reasoning with more demanding, level-appropriate questions. Designed for Class 3.
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The printable A4 layout includes a separate answer key for quick checking.
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