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When commercial growers artificially control the length of days and nights to stimulate plants to flower, they are relying on a or an ___.
clover
flower when it experiences long nights
environmental stimulus
carbon dioxide
other pigments become visible
poinsettias
exposing it to only a few hours of light a day
all of the answers
Many of a plant's tropisms are in response to ___.
clover
flower when it experiences long nights
environmental stimulus
carbon dioxide
other pigments become visible
poinsettias
exposing it to only a few hours of light a day
all of the answers
A short day plant is one that will ___.
clover
flower when it experiences long nights
environmental stimulus
carbon dioxide
other pigments become visible
poinsettias
exposing it to only a few hours of light a day
all of the answers
An example of long-day plants are ___.
clover
flower when it experiences long nights
environmental stimulus
carbon dioxide
other pigments become visible
poinsettias
exposing it to only a few hours of light a day
all of the answers
When chlorophyll breaks down, ___.
clover
flower when it experiences long nights
environmental stimulus
carbon dioxide
other pigments become visible
poinsettias
exposing it to only a few hours of light a day
all of the answers
You can cause a chrysanthemum to flower by ___.
clover
flower when it experiences long nights
environmental stimulus
carbon dioxide
other pigments become visible
poinsettias
exposing it to only a few hours of light a day
all of the answers
An example of short-day plants are ___.
clover
flower when it experiences long nights
environmental stimulus
carbon dioxide
other pigments become visible
poinsettias
exposing it to only a few hours of light a day
all of the answers
When the stomata on a leaf are open, ___ diffuses into the leaf.
clover
flower when it experiences long nights
environmental stimulus
carbon dioxide
other pigments become visible
poinsettias
exposing it to only a few hours of light a day
all of the answers
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