IB Biology SL B4.1.2 Adaptations to Abiotic Environment Questions

Explore how aerial roots, pneumatophores and salt glands help mangroves exchange gases and manage salt in waterlogged coastal habitats in IB Biology SL B4.1.2.

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Explain how mangrove roots use aerial roots or pneumatophores for gas exchange in waterlogged soil and salt glands or salt excretion to manage saline conditions.

[Maximum number: 2]

The image shows a cast of the lower surface of a leaf from a busy Lizzie (Impatiens walleriana) plant as seen under a light microscope with a magnification of $600 \times$ .

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Explain one feature of tree roots that help trees to survive in mangrove swamps.

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IB Biology SL B4.1.2 Adaptations to Abiotic Environment Questions question 1