Biological Systems Closed-loop Systems and Linear Systems 1.0 / 5 based on 1 rating ? BiologyGCSEOCR Created by: Jen CoetzeeCreated on: 11-03-13 11:17 Closed-loop Systems Nature - involves living organisms. Ecosystems - all living organisms are interdependent. Organisms include: producers, consumers and decomposers. 1 of 1
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