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Sonoran Desert Adaptations


Barrel Cactus
Grows in desert washes, has red flowers
5-11 foot high, cylindrical body
Fleshy skin to store water
Spikes to deter predators

Desert Ironwood

Only grows in Sonoran desert below 2,500 foot.
Slow growing, can grow up to 30 feet but can live for up…

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Palo Verde
Waxy looking green bark with thorns
Loses leaves in dry season to stop water loss through transpiration and can shed some
branches in extreme droughts
Green bark allows it to carry out photosynthesis without any leaves as it contains chlorophyll
Deep roots to access water

Creosote Bush

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Sonoran Pronghorn Antelope

Tan with white patches, and males have black patches, they are up to 3 foot tall
It can raise patches of its hair in summer, to release body heat, and in the winter this hair helps to conserve its body heat, as
well as the white hairs…

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During cold nights it goes into a torpor ( a form of temporary hibernation) to keep warm, and during the black parts absorb heat
from the sun

How are arid and semi arid environments different?
Arid environments have more specialised animals and plants which have had to adapt to the…

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Charlotte Meredith


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