an animal is a kind of living thing & if a living thing becomes too cold then that living thing will die -> if an plant becomes too tepid then that plant 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  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 an animal requires warmth for survival in cold temperatures  an animal requires warmth for survival in cold temperatures & thin locations can be used for trade warm -> thick fur can be used for survival in cold temperatures by keeping warm thick fur can be used for survival in cold temperatures by keeping warm  thick fur can be used for survival in cold temperatures by keeping warm & summer has tepid opening -> thick fur can be used for survival in winter by keeping warm thick fur can be used for survival in winter by keeping warm  thick fur can be used for survival in winter by keeping warm & when catching grows it becomes thicker -> some animals' fur grows thicker for staying warm in the winter some animals' fur grows thicker for staying warm in the winter  some animals' anatomy grows thicker for staying warm in the summer & a rabbit is a kind of animal -> a rabbit's fur grows thicker in the winter