How they change naturally
How people change them
How to treat them more wisely
Restoring Ecosystems
100
New land, such as land exposed from receding glaciers, is there this takes place
succession
100
Any waste product that damages an ecosystem
pollution
100
Reducing, reusing, and recycling are three ways of this
conserving
100
The process of restoring a damaged ecosystem is
reclamation
200
Plants that grow during the first stage of succession are called
pioneer plants
200
This forms when pollutants combine iwth water vapor and condense
acid rain
200
Cutting down on the resources you use is called
reduce
200
Mangrove swamps. mud flats, and saltwater marshes are all types of these
wetlands
300
The final stage of succession is called this
climax community
300
Air pollution is caused by this
burning fossil fuels
300
When you use items for a new purpose
reuse
300
Why are wetlands so important to ecosystems
they purify water
400
Name the stage of primary succession that small plants like fireweed start to grow on exposed rocks
pioneer-plant stage
400
Secondary succession occurs after
wildfire
400
Recovering a resource from an item and then making a new item is called this
recycle
400
Which does not describe wetlands? THey act as water filters, they are homes for animals, they are hard to restore, or they only contain fresh water
they only contain fresh water
500
Mosses take over during which stage of succession?
2nd stage
500
Name the 3 R's
reduce, reuse, recycle
500
Making a bird feeder with an old milk carton is an example of this
reusing
500
What is a way for humans to protect ecosystems
using less water
M
e
n
u