Why are vegetables considered among the most nutritious foods available?

Vegetables are considered among the most nutritious food available because they have a large amount of minerals and vitamins in them.They do not have fat in them which makes is more nutritious.Besides this every part of vegetable can be utilized whether it is in the form of stem,root,leaves,seed all have some amount of nutrition in them.The nutrition present in vegetables can be derived in multiple ways ,they can be eaten raw or can be cooked.Vegetables are very rich source of vitamins and minerals. They are very rich in anti-oxidants ,which protects the body from cancer.They are also a rich source of iron,phosphorous,multivitamin,etc.

but there is no

i guess you forgot putting it.

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.