The heliophytes are characterised by:
Correct answer: D. Vertically oriented leaves
- A. Twisted leaves
- B. Horizontally oriented leaves
- C. Dropping leaves
- D. Vertically oriented leaves
Explanation
Heliophytes are adapted to strong sunlight, and their leaves are commonly held vertically or obliquely to reduce excessive midday radiation and overheating. Horizontal leaves are more typical of many shade-adapted plants.
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