The stem of a typical aquatic plant usually has many
-
air cavities
- intercellular space
- water cavities
- water conducting cells
The correct answer is: A
Explanation
Aquatic plants have large air cavities in their stems, leaves, and roots, which are called aerenchyma. Aerenchyma is a spongy tissue that creates air channels and gaps in the plant. These air cavities help the plant float and provide buoyancy.
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