EQ1. What is a system?
A system is something where the living things live together. In a system, each organisms are affected by the other organisms behavior.
EQ2. How humans and the environment are dependent on each other.
Humans depend on the environment to get resources that are necessary for living be it food, shelter or water etc. Also organisms in the environment depends us on living too, example animals need our protection so that they does not go extinct due to excessive hunting and also plants take in the carbon dioxide we exhale for photosynthesis