Which nutrient provides the highest number of calories per gram?
fat
protein
sugar
carbohydrate

the answer is fat because it has 9 and all the other ones have 4

carbohydrate provides the highest number of calories per gram?

Explanation:

carbohydrates gives the highest number of calories per gram because it provides the body with energy needed for metabolism, the simplest form of carbohydrate is glucose which is easily digested by the body system and easily distributed to every parts of the body. To have a maximize performance by the body system, carbohydrate is needed for enough calories per gram.

they each offer a fresh glut of resources to the organisms that can arrive and exploit them. as individuals and new species continue to appear, they actively and passively alter the environment. competition for shared resources increases, local abiotic and biotic conditions shift, and the relative abundances of species change accordingly. the process is called ecological succession, and it is one of the earliest and most well-known concepts in ecology.

answer; i believe the correct answer is (replication is not conservative);