Effects of the Biosphere

Soil is a resource. Which best describes how humans use soil?

• Humans use soil for water.

• Humans use soil for shelter.

• Humans use soil for breathing.

• Humans use soil to grow crops.

Which three things would find in Earth's biosphere.

• Water, Glaciers and Snow Pack

• Clouds, Gasses and Water Vapor

• Plants, Animals and Humans

• Rocks, Soil and Mountains

Ecosystems can be changed by natural events or by human actions. Which is not a natural event?

• a forest fire started by lightning

• pollution from a factory entering a river

• a beaver building a dam in a river

• an earthquake

Which of the following is a way that the biosphere and the atmosphere interact?

• Plants release oxygen into the air.

• Animals live at the bottom of the ocean.

• Plants use their roots to anchor into the soil.

• Animals use caves as shelters.

The system that contains all living things on Earth.

• Biosphere

• Atmoshpere

• Hydrosphere

• Geosphere

The biosphere includes plants and animals that live

• on land

• on land and in the water

• on land, in water, and in the air

• in water

Which of the following is an example of a human impact on the biosphere?

• Hunting

• Rain falling from the clouds

• a volcano erupting

• an earthquake

 Which of the following are renewable sources of energy?

• coal and natural gas
• oil and electricity
• sunlight and petroleum
• wind and water

Which of the following is NOT a way that people can be harmful to the environment?

• burning coal for energy
• clearing land for homes
• making products from wood
• planting trees in a forest

A species is defined as endangered when it

• suffers from damage to its habitat.
• suffers from disease or predation.
• when there are hazards to the continued life of the species.
• all of the above