Human Impact on the Ecosystem

What is the video about?

What is deforestation?

• Planting more trees

• Cleaning rivers

• Protecting animals

• Cutting down a wide area of trees

Which of these is NOT a cause of deforestation?

• Agriculture

• Planting forests

• Overgrazing

• Mining

How does global warming affect the Arctic?

• Melting glaciers

• Heavy rains

• Volcanoes

• Earthquakes

Smoke from factories causes ______ pollution.

What harms aquatic animals the most?

• Building parks

• Oil spills

• Planting trees

• Recycling

In deserts, which human activity makes animals endangered?

• Residential development

• Drinking water

• Recycling

• Growing cactus

Are you enjoying the video lesson?

• Yes

• No

Which of these is a positive human action?

• Mining

• Cutting down forests

• Building roads

• Cleaning rivers

What are the 3 Rs? Reduce, ______, _____