EQ 1. What is a system?
A system consists of various parts/organisms working together to sustain life without outside interference, and can each part/organism plays an important and vital part in helping the system to work.
EQ 2. How are humans and the environment are dependent on each other?
Humans are dependent on the environment as it provides vital resources for us; such as water, food and shelter. However, we make use of the environment around us to make our lives better, such as drawing fresh water from saltwater for drinking and other uses, cultivate crops for consummation and business. Thus, humans and the environment are very dependent on each other as we need both aspects to survive.