List the three domains, characteristics of each, and an example of an organism that belongs in each
domain.

the three domains are Eukarya Archae and Eubacteria

Explanation:

an example of Eukarya is plants and animals

an example of Archae is methanogens

an example of bacteria is bacteria such as e.coli

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.