Cactus Wrens - The size of their clutch(amount of eggs laid) is determined by the amount of food consumed. It is an adaptation that allows then to accommodate different amounts of food.
Kangaroo Rat - Has adapted to get the water it needs from the food it eats.
Desert Tortoise - Front legs are muscular and flat with long claws, and are adapted for digging deep burrows.
Plant Adaptations
Desert Ironwood - Adapts to the heat and lack of water in the desert by shedding its leaves during dry spells to conserve water.
Jumping Cholla - Has a thick cover of spines to shade itself from the sun and to prevent animals from eating it.
Prickly Pear Cactus - Pads of the cactus are used to store water in case of a drought.