Question

The life span of common water hyacinth seed is about _______ .

A. 2 years

B. 10 years

C. 52 years

D. 24 years

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Answer

The correct option is D: 24 years.

The common water hyacinth releases about 3000 seeds, and although not all of these seeds can develop into individual plants, the seeds have a lifespan of nearly 24 years. This extended lifespan is a crucial factor contributing to the massive proliferation of this invasive aquatic plant across almost all continents.


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