Ego

Human: A creature from the order of mammels with ten useful fingers,walks on two feet and because of having brain is able to talk and think(  Amid Dictionary)

Producer and a real consumer!

Uses mind to produce equipment to reach goals and arranges for planned goals.

Defines territories

Generates

Starts battles

Destroys

And doesn't respect to any other animals' territories unless Humans themselves clarify a territory for them to protect , have an eye on them to make decisions, to plan for their living in case their population doesn't get troublesome.

Human: A mammel with two feet, with analysis power, speaker and mortal. Very creative,thoughtful, equipped with philosophy and aparently civilized.

Human is the king on earth.