Herds of deer and the wolf packs that prey upon them often live in the same territory. Deer ranges, however, are not distributed randomly. Instead, there is a 1.________. Deer herds tend to live mainly along the borders of wolf pack territories. In fact, when deer numbers are low, almost all deer live along these boundaries. Few have a different 2.________. Why do deer live mainly in these particular places? Studies in deer and wolf behavior suggest an answer.
Fill in number 1 and 2
hollow
forest
leader
pattern
station