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Q: What does the length of night or dark periods control in flowering plants?
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When do plants flower?

When the nights are the right length. The flowering of most plants is stimulated by the duration of periods of uninterrupted darkness.


Two things that control the flowering in plants are?

two things that control the flowering in plants are


What is critical day length?

The period of daylight, specific in length for any given species, that appears to initiate flowering in *long-day plants or inhibit flowering in *short-day plants. In actual fact long-day plants will not flower if the dark period exceeds a certain maximum and conversely short-day plants will not flower unless the dark period exceeds a certain minimum. These periods are termed critical dark periods and must be continuous to have effect (see night-break effect ).


What factor controls photoperiodism in flowering plants?

Photoperiodism is a mechanism that plants and animals have that reacts to the length of the night and day. It influences flowering because certain types of flowers will only bloom after long periods of darkness, while others can flower during shorter night time periods. Photoperiodism allows the plant to know what time it should flower.


Are plants flowering or none flowering?

You get both flowering plants and non-flowering plants; non-flowering are things like mosses, ferns and liverworts which produce spore, flowering plants produce seeds


What type of plants are flowering?

There are two types of flowering plants. These two types of flowering plants are the perennials and the annual flowering plants.


What way does pollination differ between non-flowering seed plants and flowering plants?

Flowering plants require pollinatio non-flowering plants do not.


What are the classification of plants?

flowering plants and non-flowering plants


How do you know which type of plants are flowering plants?

Angiosperms are flowering plants


Is gynosperm flowering plants?

angiosperms are flowering plants.


Are Flowering plants are the most common type of seed-bearing plants.?

Flowering seed plants are gymnosperms and angiosperms


Plants are classified as flowering or?

Plants are classified as flowering(angiosperms) or non flowering(gymnosperms).