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100
Two animals that fight for the same food source is an example of this
What is competition?
100
When harmful materials damage the air, water, or land
What is pollution?
100
All the eagles in an ecosystem make up this
What is a population?
100
Heavy rains and other storms can cause this
What is a flood?
200
Taking an old tire and turning it into a tire swing
What is recycle?
200
When only a few of an organism are left
What is endangered?
200
One way to help the environment is to _________ our use of certain products
What is reduce?
200
Disease and dry weather caused the St. Helena Olive Tree to become this
What is extinct?
200
Things that help an organism survive; sunlight and air are examples
What are resources?
300
An example of something that is harmful to the environment
What is an oil spill in the ocean?
300
People have destroyed the forest where pandas live
What is a reason why pandas are endangered?
300
Fish fossils found on land tell us
What is part of that land was once covered by water?
300
Causes the most change to the environment
What are people?
300
A natural resource that cannot be recycled
What is coal?
400
Reduce paper use; recycle glass and plastic;keep doors closed when using air conditioning; don't leave water running
What are ways our school can help the environment?
400
Draining wetlands
What is a way people harm the environment?
400
Food, water, air, sunlight, space
What are resources?
400
Plants and animals have this and it helps them survive in their environment
What are adaptations?
400
All living things in an ecosystem make up this
What is a community?
500
Trees and other plants become dry during a drought. If lightening strikes a dry area, a wildfire can start very quickly
What is how can a drought lead to a wildfire?
500
The environment would no longer be balanced. The prey would multiply and us all the resources
What is what would happen in an environment if a predator died out?
500
Lightening and droughts. Destruction of habitats and plooute the air with smoke
What are the causes and effects of wildfires?
500
If the animal had sharp teeth, it was a predator and ate meat. If the animal had flat teeth it probably ate plants.
What is how you can tell what an animal ate by examining its fossil?