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Discuss how the adaptive traits of hydrophytes and xerophytes are suited to their respective environments.

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Cambridge IGCSE BiologyVariation and selectionSupplement content

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Discuss how the adaptive traits of hydrophytes and xerophytes are suited to their respective environments

  • This point belongs to Adaptive features, especially Adaptive features outcomes.
  • You need to be able to discuss how the adaptive traits of hydrophytes and xerophytes are suited to their respective environments.
  • The key ideas to know are Explain.
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Paper 4 structured question: Adaptive features

Paper 4Theory (Extended)6 marks

Description

Adaptations of Hydrophytes and Xerophytes

Hydrophytes live in aquatic environments and have adaptations such as large air spaces and stomata on the upper leaf surface. Xerophytes live in dry environments and have adaptations like thick cuticles and sunken stomata.

  1. a

    Identify two adaptations of hydrophytes that help them survive in water.

    Aim for approximately 2 distinct marking points.

    [2]
  2. b

    Explain how two adaptations of xerophytes help them survive in dry environments.

    Aim for approximately 4 distinct marking points.

    [4]
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