Natural Resources
What are natural resources
Materials found in nature that sustain life and/or humans use
What percentage of Earth is covered by water?
About 70%
Biotic factors ___________ and abiotic factors are ___________
Living, non-living
What is soil?
the outermost layer of the Earth’s surface, consisting of minerals, organic matter, water and air
What is weathering?
What is a soil horizon?
A layer of soil
What are the 3 types of resources?
Renewable
Non Renewable
Inexhaustible
Name 3 uses of water
Answers may vary
(drinking, irrigation, soil health, etc)
What is an ecosystem?
A system of organisms interacting with thier environment
Name the 3 soil particles.
Sand
Silt
Clay
What is soil formed from?
Weathered rock and organic material
Put the soil horizons in order from bottom to top
R
C
B
A
O
Give 3 examples of minerals
Answers may vary
(Iron, gold, aluminum, etc)
What is used to measure air pollution?
Air quality
Why is biodiversity important in an ecosystem?
Provides stability
Put the soil particles in order from SMALLEST to LARGEST
Clay
Silt
Sand
Name 3 of soil formation factors
Organisms
Landscape
Parent Material
Time
What is loam?
Define Wildlife
Non-domesticated game or non game animals and uncultivated plant life
What is runoff?
Washing of substances in water sources
How is an animal's habitat different from its niche?
Habitat is where it lives, niche is its job or role there
What are the 4 soil components?
Minerals
Organic Matter
Air
Water
What is erosion?
Washing or blowing away of soil
Which horizon(s) is taken away when soil is eroded?
O (and potentially A) horizons
Explain how commercial AND non commercial forests are used
Commercial: used for timber production
Non-Commercial: used for recreation and wildlife habitat
How does runoff contribute to water pollution?
Can carry pollutants into water systems
2 factors/things link all the organisms in an ecosystem, what are they?
Energy flow
Nutrient Cycles
A farmer is having problems with their crops due to poor drainage.
What soil particle is present in large amounts AND what could be added to improve this?
Clay
Organic matter and/or sand
How might soil in the rainforest be different than soil in the desert?
Rainforest has more organic matter, more loamy, wetter
Desert is more sandy and less water/nutrients
A soil sample is 70% sand, 20% silt, and 10% clay. What type of soil is it?
Sandy Loam