What is the main characteristic of eusocial groups?

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.