Flashcards on Biology A2 Unit 1 Flash Cards, created by Zoeee on 23/08/2014.
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Created by Zoeee
over 9 years ago
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Created by Zoeee
over 9 years ago
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Define negative feedback
Define postive feedback
Define Homeostasis
What is an autotroph?
What is a heterotroph?
What is are photosynthetic pigments?
What is a respiratory substrate?
