If someone can help think of a model idea i can use.
Please it would help a lot.
-Develop a model to describe the cycling of matter and flow of energy among living and nonliving parts of an ecosystem. You should use multiple parts of the carbon cycle to demonstrate this cycle.

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.

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

What sre the effects of hemolytic disease of a newborn