EQ1. What is a system?
A system is something in which a bunch of organisms/items would exist and interact with one another in.
EQ2. How humans and the environment are dependent on each other.
Humans rely on the environment to live as it is a source of food, water and oxygen that is needed for us to live. Also, humans’ actions are able to impact the environment both positively or negatively, for example, a positive example would be humans finding ways to conserve the environment (e.g. plant more trees and a negative example would be humans polluting the environment through its actions.