The Living Environment
Conserving Land and Soil
Colorado River
Population
El Nino La nina
100
The place where an organism lives.
What is a habitat?
100
The construction of buildings, roads, dams, and other structures.
What is Development?
100

The Colorado river is number one most endangered river in America, True OR False

The Colorado river is number one most endangered river in America

100
Two ways to change population size.
What are births and deaths?
100

Definition of a Gyre

 large ocean circulation patterns due to global wind

200
The living parts of an ecosystem.
What are biotic factors?
200
3 ways and uses that change land.
What are development, mining, and agriculture?
200

Upper basin of the Colorado river

Colorado, New Mexico, Utah, and Wyoming

200
The number of individuals in a specific area.
What is population density?
200

Which direction does the wind blow during normal conditions in the Pacific

What is west?

300
Water, soil, sunlight, temperature, oxygen
What are five abiotic factors?
300
Litter, topsoil, subsoil, and bedrock.
What are the layers of soil?
300

The lower basin of the Colorado river

Arizona, California, and Nevada

300
Four ways to determine the population size.
What is a direct observation, indirect observation,scumpling, and mark-and-recapture studies?
300

Where does drought occur during El nino

Drought in SE Asia & Australia

400
All different populations that live together.
What is a community?
400
Land Reclamation, strip mining.
What are ways to restore land?
400

Why is the Colorado River important to us

Because we depend on it as a water source

400
3 limiting factors for population.
What are food, space, and water?
400

El Nino occurs when the tropical ocean waters are warmer in which ocean?

Pacific Ocean

500
The study of how living things interact with eachother and their environment.
What is ecology?
500
Strip Cropping, contour plowing, conservation plowing, wind breaks, terracing.
What are 5 ways of doing soil conservation?
500

How long is the colorado river

What is 1,450 miles

500
A group of organisms that are physically similar and can reproduce with each other to produce fertile offspring.
What is a species?
500

La nina is a ____________ of the winds

strenghthening

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