1.5 Sustainability Factors

What is biodiversity?

• The variation of plant species in an area

• The variation of animal species in an area

• The variation of human races in an area

• The variation of plant and animal species in an area

Why is biodiversity important? Select all correct answers.

• It helps keep air clean.

• It helps keep water clean.

• It sounds cool.

• It prevents an area from being boring.

• It helps to provide food.

How are humans affecting biodiversity? Select all correct answers.

• Humans moving to a different area

• Cutting down too many trees

• Hunting/catching too many animals

• Planting too many trees

• Humans watching too much TV

Which of these will help biodiversity?

• Littering

• Cutting down trees

• Planting trees

• Catching a lot of fish

What is the best description of air quality?

• How clean or polluted air is in an area

• How good or bad something smells

• How much air there is

• Whether or not you can fly or float

Select all the ways that humans are negatively impacting air quality. There can be more than 1 answer.

• Factory smoke

• Vehicle emissions

• Riding bikes

• Walking

• Electric cars

Which of these is not important to soil health?

• Acidity

• Oxygen level

• Nitrogen level

• Texture

• Taste

Select all the ways that healthy soil helps the sustainability of an ecosystem. There can be more than 1 answer.

• Stores water

• Cleans water

• Helps plant growth

• Supports roads

• Tastes great

Select all the human activities that can reduce the quality of soil in an area. There can be more than 1 answer.

• Planting trees

• Farming

• Littering

• Polluting

• Composting

What is the best description of ecological succession?

• The change in plant and animal species over time

• When a prince becomes a king

• The change in plant and animal species in a particular day

• When animals eat plants