1. organism
3. multicellular
4. specialize
5. cell
6. homeostasis
7. tissue
8. tissue
9. specialize
11. unicellular
12. multicellular
13. multicellular
The answer to the question above is letter D. 25 pounds is the closest sugar average yearly consumption per person in the United States. American ate 123 pound of sugar per year in 1970, Today the average consumption is 152 pounds of sugar in one year.
The best source of historical evidence to describe how an events unfolded would be a first person source, or a website ending in .edu