An iris plant blooms when days are longer. This is an example of which type of plant response? gravitropism photoperiodism thigmotropism hydrotropism

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asked Jun 9, 2019 9.1k views

2 Answers

Arnoegw · Answer 1 · 2019-06-16T04:00:56+0000

This is an example of;

B. Photoperiodism

Photoperiodism is the response of an organism to seasonal changes in day length.

They are classified under three groups according to the photoperiods;

1. Short-day plants

2. Long-day plants

3. Day-neutral plants.