Question

how do plants detect day and night??

Answer 1

Many flowering plants (angiosperms) use a photoreceptor protein, such as phytochrome or cryptochrome, to sense seasonal changes in night length, or photoperiod, which they take as signals to flower. ... This system of Pfr to Pr conversion allows the plant to sense when it is night and when it is day.

Answer 2

Answer:

Many flowering plants (angiosperms) use a photoreceptor protein, such as phytochrome or cryptochrome, to sense seasonal changes in night length, or photoperiod, which they take as signals to flower. ... This system of Pfr to Pr conversion allows the plant to sense when it is night and when it is day.

Explanation:

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