Ecosystem
A living or once living organism
Biotic factor
Civilization started along the ______---
Huang He or Yellow river
Has a definite volume, but no definite shape
Liquid
What was the first major civilization?
Ancient Mesopotamia
What is Mr. H's favorite football team
49ers
A non- living factor in an ecosystem
Abiotic Factor
A ruling family is called a...
Dynasty
Particles that have neither a definite shape nor definite volume
Gas
Largest river in ancient Mesopotamia
Euphrates river
Something like a disease or lack of food that keeps a population from getting to large.
Limiting factor
Type of silt found in the Yellow River
Loess
Something that has a definite shape and a definite volume
Solid
Irrigation
Which planet is known as the 'red planet'?
Mars
What is the correct order of the Ecosystem Organization, from smallest to largest
organism, population, community, ecosystem
Both major deserts that surround ancient China
Gobi and Taklamakan Deserts
An inward force or pull among the molecules in a liquid.
Surface Tension
Substance found in river that helped crops grow
Silt
A _______ shows the amount of energy that moves from one feeding level to another in a food web.
Food Pyramid
Name 3 Ancient Chinese Dynasties
Han, Qin, Zhou, Sui, Yuan, Song, Xia
A resistance to flowing in a liquid
Viscosity
What current country or countries is ancient Mesopotamia located in?
Iraq, Iran, Turkey
What instrument measures earthquakes?
Seismometer