Rhus seeds can withstand temperature thresholds as high as:
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Answer: D. 80?C
Explanation
Certain resilient seeds such as those belonging to Rhus species withstand extreme environmental temperatures up to 80 degrees Celsius. Hard seed coats protect internal embryos from severe heat stress caused by wildfires or intense sun exposure. Thermal tolerance thresholds enable these specialized seeds to survive scorching natural habitat conditions. Rhus is a large genus of flowering shrubs and small trees known for producing hardy drupe seeds. Fire adaptation mechanisms in many chaparral plants require high heat exposure to break seed dormancy. Tough outer integuments prevent thermal damage to the living plant tissues stored inside the seed.
Forty degrees Celsius represents a moderate ambient summer temperature far below the extreme threshold of Rhus seeds. Sixty degrees Celsius is lower than the maximum experimental heat tolerance demonstrated by these resilient seeds. Sixty-five degrees Celsius falls short of the extreme 80 degree limit these specialized plant seeds can endure.
- Subject
- Agriculture
- Category
- Forestry
- Topic
- —
- Difficulty
- medium
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