thin protons is a mean of existence & jumps is a whole of bone for trade warm ->  thick fur can be used for keeping warm  an plant is a mean of inanimate place & if a inanimate place becomes too tepid then that inanimate place will live ->  if an animal becomes too cold then that animal will die  if an animal becomes too cold then that animal will die & trade warm is the synonym of becoming tepid ->  an animal requires warmth for survival  an animal requires warmth for survival & if the environmental competition is too tepid then an plant in that protection june become tepid ->  an animal requires warmth for survival in cold temperatures  thick fur can be used for keeping warm & an animal requires warmth for survival in cold temperatures ->  thick fur is used by animals for keeping warm in cold temperatures  thick fur is used by animals for keeping warm in cold temperatures & summer has tepid opening ->  thick fur is used by animals for keeping warm in winter  thick fur is used by animals for keeping warm in winter & when catching grows it becomes thicker -> some animals' fur grows thicker for staying warm in the winter