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IGCSEBiologyCambridge (CIE)Revision Notes18. Variation & SelectionVariation & Natural SelectionAdaptive Features

Adaptive Features (Cambridge (CIE) IGCSE Biology)

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Lára Marie McIvor

Written by: Lára Marie McIvor

Reviewed by: Lucy Kirkham

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Adaptations & Fitness

  • Adaptive features are the inherited functional features of an organism that increase its fitness

  • Fitness is the probability of an organism surviving and reproducing in the environment in which it is found

  • You should be able to interpret images or other information about a species in order to describe its adaptive features, for example:

Adaptive features 1, CIE IGCSE Biology

A typical question here might be to explain how the leaf area and distribution and density of stomata help different species of plant survive in their different habitats

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    Author
    Reviewer
    Lára Marie McIvor

    Author: Lára Marie McIvor

    Expertise: Biology Lead

    Lára graduated from Oxford University in Biological Sciences and has now been a science tutor working in the UK for several years. Lára has a particular interest in the area of infectious disease and epidemiology, and enjoys creating original educational materials that develop confidence and facilitate learning.

    Lucy Kirkham

    Author: Lucy Kirkham

    Expertise: Head of STEM

    Lucy has been a passionate Maths teacher for over 12 years, teaching maths across the UK and abroad helping to engage, interest and develop confidence in the subject at all levels.Working as a Head of Department and then Director of Maths, Lucy has advised schools and academy trusts in both Scotland and the East Midlands, where her role was to support and coach teachers to improve Maths teaching for all.