Population and Natural Resources

What are natural resources?

• Natural resources are exclusively found in urban areas.
• Natural resources are only man-made products.
• Natural resources are materials or substances found in nature that can be used for economic gain or to support life.
• Natural resources are items that cannot be used for any purpose.

A resource that is not easily replaced...

• Renewable

• Nonrenewable

• Plants

• Animals

What was the most widely used NONRENEWABLE resource in 2009?

• Natural gas

• Biomass

• Petroleum

• Hydropower

What was the most widely used RENEWABLE resource in 2017?

• Coal

• Petroleum

• Hydroelectric

• Biomass

What is the carrying capacity of the graph?

• 1000

• 8000

• 800

• 600

If the amount of food or resources available increases, the carrying capacity for an animal:

• Stays the same
• Increases
• Decreases
• Fluctuates

What is the carrying capacity of the graph?

• around 500

• more than 800

• less than 300

• around 700

^{In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?}

• Squirrel Population
• Sunlight
• Grass available

Which limiting factor would increase due to the number of individuals in a population (aka; density-dependent)?

• Unusual weather

• Natural disaster

• Disease

Limiting factors are sometimes helpful because they can keep the population from getting to large.

• True
• False