Question

Why do trees have hollow stems

Answer 1

Answer:

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Yes

Explanation:

Not all but some trees like bamboo have hollow stems as they belong to class monocot

Answer 2

Hollows form in many species of trees, and are a prominent feature of natural forests and woodlands, and act as a resource or habitat for a number of vertebrate and invertebrate animals. Hollows may form as the result of physiological stress from natural forces causing the excavating and exposure of the heartwood.