Which of the following is the most likely sequence of events, from earliest to most recent, in the evolution of sponges (organisms with many cells that have different functions)?
1) single-celled eukaryote
2) single-celled prokaryote
3) multicellular eukaryote
4) colonial eukaryote
a. 2, 1, 4, 3
b. 2, 1, 3, 4
c. 1, 2, 3, 4
d. 1, 2, 4, 3

The answer is A

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

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.