Science review

Study of how living things interact with each other and with their nonliving environments

• Sustainability
• Ecology
• Environmental Science
• Renewable Resource

Waste from our homes and factories are dumped into rivers, lakes, and seas, causing ____.

• Air pollution
• Water pollution
• Land pollution
• Waste

Increasing levels of carbon dioxide in the air is believed to cause ___.

• Global Warming
• Water Pollution
• Non-biodegradable waste
• Recycling

Another name for global warming is ___.

• Climate change
• Global Hotflash
• Solar Wind
• Climate Heating

What is the definition of Biotic factors?

• Dead things
• plants
• Living things or organisms
• soil

____________________ is a scientist who studies fossils.

• paleontologist 
•  fossil
• preserved
• extinct

  A _____________________ is the remains or evidence of an   ancient organism.

• paleontologist 
•  fossil
• preserved
• extinct

When something is _____________________ it no longer exists.

• paleontologist 
•  fossil
• preserved
• extinct

Something _____________________ has been kept from harm or   change.

• paleontologist 
•  fossil
• preserved
• extinct

Why is it important to study fossils?

•  Fossils are evidence of organisms that lived long ago.
• Fossils are fortune tellers.
• Fossils are fun to study.
• Fossils are found everywhere in the world.