Ineed answering these, any is appreciated! it’s for apes (ap environmental science)

What are the characteristics of living things

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

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.