IB Biology Sub-topic B4.2 Definitions
This page contains our IB Biology definitions for sub-topic 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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