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.
Rigor Mortis; An Examination of Muscle Function. William Carroll. Soon after the time of death, a body becomes rigid. This stiffening is the result of a biochemical process called Rigor Mortis, Latin for stiffness of death. (1) This condition is common to all deceased humans, but is only a temporary state.