Mule deer are known as browsers. From late spring to early fall, mule deer gain weight and build fat reserves by feeding heavily on broad-leafed plants and grasses. During the winter and early spring, when there is little forage available, their diet is mostly leaves, stems and buds.
Rating Newest Oldest. Best Answer: A chemical change in the muscles after a body's death causes Rigor Mortis. ATP (energy) will stop being made. The body is unable to complete its ATP formation cycle so they create muscular contractions. This causes the limbs to become stiff and difficult to manipulate.
Â· just now. Report Abuse. It takes about 3 hours for rigor mortis to set in after death and it lasts about 72 hours. Room temperature is one factor that can speed this up or slow this down. mollyflan Â· 8 years ago. Thumbs up.