Science & Nature

How Cacti Survive the Desert

A clear talk about the clever ways cacti stay alive in the hot, dry desert.

B17 min

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1The desert is one of the driest places on our planet.

2Very little rain falls there during the whole long year.

3Still, the cactus manages to live and grow in this heat.

4Its thick green stem stores water like a natural tank.

5Instead of wide leaves, the cactus has sharp thin spines.

6These sharp spines stop hungry animals from eating the plant.

7The roots of a cactus spread wide just under the surface.

8They catch rainwater quickly before the sun dries the soil.

9A waxy skin covers the plant and keeps the water inside.

10Some large cacti can live for more than two hundred years.

11Their bright flowers open at night and feed desert insects.

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