human impact and biodiversity and pollution

How do invasive plants damage the environment?

• Compete with native species
• Change plant community
• Alter diversity
• All of these

What is deforestation?

• Clearing Earth's forests on a massive scale
• Eating too much vegetables
• Going to a forest and pulling weeds
• Clearing the five trees in my backyard

Which of the following is NOT a threat to biodiversity?

• Pollution

• Deforestation

• Invasive Species

• Ecological Succession

When human-made chemicals and garbage find their way into nature and harm the air, soil, and water it is called

• pollution

• habitat destruction

• overexploitation

• climate change

The largest threat to biodiversity is

• bacteria

• fungi

• humans

• plants

Why are fossil fuels a nonrenewable resource? 

• they take millions of years to replace 
• they can be used over and over again
• they are used to heat and light homes 
• they cause air and water pollution 

What does conserving resources mean?

• Use as much of the resources as you can
• Only use the resources at school
• Protecting the resource so it does not run out

Which group includes ALL renewable resources?

• Coal, trees, water, oil
• Water, wind, sun, plants
• Minerals, sun, natural gas, water

Most water pollution is the result of

• human activities.
• drought.
• volcanic eruptions.
• storms.

What is the major cause for air pollution? 

• factories and cars
• cigarretes 
• deforestation
• oil spills