Botox injections smooth facial wrinkles because is an ach antagonist that blocks the underlying facial muscles.

The correct answer would be - botulinum.

Explanation:

Botox is the cosmetic care for preventing or removal of facial wrinkles or in muscular conditions treatment. Botulinum is a neurotoxin obtained from the C. botulinum that is used in Botox. This neurotoxin is a powerful toxin however it is used in very small concentrations in clinical or cosmetical procedures.

Botulinum behaves as the acetylcholine antagonist which blocks the release of Ach neurotransmitter at the neuromuscular junction. This result in blocking the signaling between facial muscles and motor neurons.

Thus, the correct answer is - Botulinum.

as the gila monster consumes the eggs or young of the desert cottontail and gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. however, for this, the gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

first, is that they possess huge bodies, and can consume greater concentrations of food during a small period. secondly, they require to feed infrequently as they can accumulate fat in their tails. ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.  

the fossil record provides evidence of a common ancestor to many species.