McqMate
| Q. |
The presence of air cavities is an adaptation of - |
| A. | Desert plants |
| B. | Trees |
| C. | Water plants |
| D. | Mesophytes |
| Answer» C. Water plants | |
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Explanation: Totally submerged plants are the true water plants or hydrophytes. Because they are truly aquatic they have the greatest number of adaptations to life in water. Air-filled cavities often extend throughout the leaves and stems of aquatic plants, providing an internal atmosphere. |
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