What is an ectothermic vertebrate?

And so, an endothermic vertebrate is an animal that can produce its own heat and possesses a spinal backbone consisting of vertebrae. Examples of these organisms include most mammals (including humans), most birds, and some reptiles.

Explanation:

Ectothermic vertebrates are, for example, fish, amphibians and reptiles. Their temperature depends on the environment. The contrary to ectothermic are endothermic vertebrates, such as birds or mammals

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.