![Nelson Science: Healthy Ecosystems: The Needs of Living Things [Pdf] eBook](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Nelson Science: Healthy Ecosystems: The Needs of Living Things [Pdf] eBook")
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Nelson Science: Healthy Ecosystems: The Needs of Living Things [Pdf]
A 4-page section of the Grade 7 Nelson Science and Technology Perspectives textbook. It looks at what organisms need to survive, specifically sunlight, air, water, and food. This is a visually-rich text with tips to help students'...