Show:
Why is the Ocean important?-Les 1
What causes the Ocean to change?- Les 2
How have people changed Earth's land and water?- Les 3
What happens when ecosystems are changed?- Les 4
100
Examples of natural resources are...
What is salt, fish, minerals, lumber, etc.
100
Fish or other marine life caught unintentionally by fishing nets.
What is bycatch
100
Trees that are hundreds or thousands of years old.
What is old-growth trees
100
Urban areas fill up, and people develop land around a city for home or commercial use.
What is urban sprawl
200
The process where salt is removed from ocean water.
What is desalination
200
Species whose numbers are declining rapidly
What is threatened species
200
The tragedy of commons illustrates which one best?
What is impact people have on environment
200
DAILY DOUBLE- This affects ecosystems (list several)
What is climate change, fires, invasive species, etc.
300
DAILY DOUBLE-Name the renewable resource: gold, coal, trees, natural gas.
What is trees
300
This does NOT harm fish populations.
What is release devices.
300
The science of managing forests.
What is forestry
300
Practice that helps ecosystems
resource management
400
Some ways to get energy from the ocean.
What is using dam-like structures to generate electricity, using buoys that bob in the water, turbines that turn with ocean waves.
400
Overfishing can have what impact on other fish populations?
What is harm other species unintentionally
400
Wood is what type of resource?
renewable resource
400
remove hazardous waste, litter, and invasive species to make an area healthy again
What is the restoration of an ecosystem
500
Why should you use ocean resources wisely?
What is since resources are limited so if used unwisely then they become used up and become unavailable.
500
In what ways can people reduce ocean pollution?
What is reduce littering onto rivers, reduce energy use, and educate yourself on the effects of pollution on the ocean.
500
How can people have a positive effect on the environment?
Learning how to use resources wisely and not polluting the environment by choosing products that do not pollute, reusing products to reduce waste, and conserving resources by using less can make living on Earth better for everyone.
500
Explain how clearcutting a forest is nt the best practice for sustainable use.
What is cutting all of the trees leaving none to grow for later use.