Lack of food & low temperature.
winter.
In winter
No, but it migrates during the winter instead of hibernating.
DUring the winter
whole winter
if a plant is dormant, it means it is asleep/hibernating for the winter
cus they are hibernating
they realy sleep in the day they sleep alot
No, instead in sleeps during winter but not hibernating. Arctic snowhares don't hibernate even though its winter!
plants cant survive in the cold so they go hibernating
Bears can often be found hibernating in a cave in the winter months.
They are called Hibernators :D