How Deer Survive Winter
Like most of the wild animals, deer survive the cold winter by
using energy stored in the summer and fall, usually in the form of (1) 1. ______
______. They also spend (2)______energy in winter than in 2. ______
summer.
Deer always give birth to their fawns in May or June. This
is good (3)______, because it coincides with the time when 3. ______
plenty of new plants are available. The’ mother deer must have
enough food both to meet the needs of their own bodies and to 4. ______
produce (4)______for their fawns. As the fawns grow, they
become less and less (5)______on their mothers. As winter 5. ______
comes, deer’s hair becomes darker and (6)______. Besides, 6. ______
nature provides another (7)______to help them survive the 7. ______
cold weather. They become somewhat slow and drowsy. Their
heart rate (8)______This is an internal physiological 8. ______
response which is to (9)______their cost of energy. 9. ______
All these practices and responses that increase deer’s
chances of survival in winter are the result of thousands Of years
of (10)______. 10. ______