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OLEGan [10]
3 years ago
5

The response of an organism to the number of hours of darkness in its environment is called ?

Biology
1 answer:
mash [69]3 years ago
7 0

Answer:

Photoperiodism is a plant's response to the number of hours of darkness in its environment. b. Plants that flower when exposed to less than 10–12 hours of darkness are called long-day plants.

Explanation:

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