Flowering Plants Respond to Day and Night Length in Part

question 37

Short Answer

Flowering plants respond to day and night length in part through the pigment ________________,which exist in two interconvertible forms.

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Definitions:

Food

A sustenance that individuals or creatures consume or imbibe to support existence and promote growth.

Unconditioned Response

An Unconditioned Response is an automatic, natural reaction to an unconditioned stimulus, not learned through previous experience.

Blinking

A rapid, involuntary action of the eyelids that helps to lubricate and protect the eyes.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, eventually comes to trigger a conditioned response.