The pattern that people make on the surface of the Earth, such as cities, roads, canals, farms and other ways people change the Earth. (answer is from: instech.tusd.k12.az.us/Core/glossary/ssglossary.doc )
The are 7 human characteristics the easy way to remember them is to call them Mrs Gren because:
Movement
Respiration
Sensitivity
Growth
Reproduction
Extermination
Nutrition