How does an ecosystem work?

Science, Grade 3

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© Copyright NewPath Learning. All Rights Reserved. 94-4326 Visit www.newpathlearning.com for Online Learning Resources. How does an Ecosystem work? Pond Ecosystem The living organisms in an ecosystem depend on other living organisms but also on nonliving things for survival. For example, in a pond ecosystem, the sunlight helps algae grow. Algae make oxygen for the fish and also provide food for tiny pond organisms. The fish eat the tiny pond organisms, use the oxygen, and give out carbon dioxide (CO 2) which plants need to grow. ox yg en food CO 2 sunlight algae tiny organisms fish fish aquatic plants
© Copyright NewPath Learning. All Rights Reserved. 94-4326 Visit www.newpathlearning.com for Online Learning Resources. Pause & Review Use these terms to label the parts of a pond ecosystem: dragonfly, frog, tadpoles, aquatic plants, fish, water, Sun, algae How does an Ecosystem work? Describe how these parts of a pond ecosystem interact. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________