Multiple choice

Why does the Saguaro Cactus have a shallow system of roots? 

  1. Because the cactus is not very tall

  2. Because the cactus live in a moist environment

  3. Because when rain falls,it needs to absorb the water quickly

  4. Because the cactus does not need an strong vascular system
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In desert environments, rain is often sparse and brief; shallow roots allow the cactus to quickly absorb water from the surface before it evaporates.

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