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Ecosystems in hot arid and semi arid environments


Stomata- pores in leaves and sometimes stems from which water vapour
escapes and CO2 and O2 are exchanged.
Transpiration- Loss of water vapour to the atmosphere mainly via plant
Cuticle- A waxy layer covering the outer plant wall designed to…

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This removes a lot of water and leaves the salt behind- increasing the
concentration of salt, making it hard for plants to survive as plants can't
use soil with high salt concentrations.
The winds help the evaporation of water to repeat.

Cryptobiotic soil crust

Cyanobacteria (bacteria that can perform photosynthesis)…


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