IB Biology B4.2 Definitions
This page contains our IB Biology definitions for B4.2. By learning each one of these definitions, you will fully cover the content for IB Biology 'Ecological niches'.
Autotrophic nutrition
A form of nutrition reliant on chemical/light energy
Heterotrophic nutrition
A form of nutrition reliant on ingestion of other organic matter.
Mixotrophic nutrition
A form of nutrition where nutrients are obtained by Autotrophic or Heterotrophic methods.
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