Its yellow or orange head or large purple dorsal bar (in adult males) distinguishes this lizard from the similar Yellow-backed Spiny Lizard and Twin-spotted Spiny Lizard. Its lack of bars on the forelimbs distinguish it from Clark's Spiny Lizard. The similar Yarrow's Spiny Lizard has a complete collar.DISTRIBUTION: The Desert Spiny Lizard ranges across the deserts of southwestern Arizona and the northeastern plateaus at elevations ranging from near sea level along the Colorado River to about about 5,000'.t hibernates during the cold months of winter and late fall. DIET: The Desert Spiny Lizard feeds on a variety of insects including ants, beetles, and caterpillars. It also feeds on spiders, centipedes, small lizards, and some plant material.
Gravity pulls downward which supplies blood to the lower limbs. Microgravity pushes the blood to the upper portions of the body. The effects of microgravity isn't a big deal until astronauts travel back to Earth. Gravity pulls back the blood pressure down, but all the blood will transfer down to the astronauts' legs. This will cause other parts of the body to not have the blood they need to support the functioning of the astronauts' upper portion of their bodies.
The effects of obesity include medical co-morbidities, the psychological effects, the social effects and the effects on society as a whole. Genetic, environmental and other factors interact to influence body weight in a complex way.