Biology - B1.4 - 1.8 revision

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  • Created by: miles462
  • Created on: 18-11-15 07:46

1.4 - 1.8 revision

an adaptation, also called an adaptive trait, is a trait with a current functional role in the life of an organism that is maintained and evolved by means of natural selection.

Environmental change is defined as achange or disturbance of the environmentcaused by human influences or natural ecological processes. Environmental changecan include any number of things, including natural disasters, human interference, or animal interaction.

pyramid of biomass is a more accurate indication of how much energy is passed on at each trophic level. Biomass is


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