If anyone can give an idea of a model to do this on, it would be really helpful.
I don't know how to model this subject/cycle.

- Construct a model to show the movement of matter and energy from plants into other organisms. Show how mass and energy are conserved before and after each interaction. For example, the beginning substances before an interaction equal the ending substances, and vice versa.

I'm just a 7th grader so you can't blame me if u d

Explanation:

no't get this question right

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.