Ecological principles
What is a living organism that produces their own food? I need a word more advanced than just saying plants
Producer
Why are carnivorous plants found in bogs?
Due to the high acidity levels
By 1900, the percentage of forest in the United States was ____%?
33%
What 3 areas are grasslands typically found?
Africa, Australia, and South America
What is a wetland with woody plants, slow moving water and a lack of oxygen in the soil can be described as a _________
Swamp
Name 1 way that nitrogen fixation is completed:
Peanuts, lightning, algae or bacteria
What percentage of Earths surface is covered by marine habitats?
70%
Which pest affects millions of acres of forest land?
Bark beetles
Grasslands typically exist between what two areas?
Forests and deserts
What year was the Duck Stamp started?
1934
Name a process that causes primary succession.
multiple answers accepted: glacial movement, volcanic eruption, extreme wildfire.
What percentage of Earth's land surface is protected?
15%
Name the three main forest types (name name all three)
- tropical
- temperate-
- boreal
What is tillage used for?
Control weeds and aerate the soil
What percentage of the United States' wetlands does Louisiana account for?
40%
Environmental Protection Agency
What was the first established national park?
Yellowstone
What is the annual rainfall per year in rainforests? _____ to ________ inches
60 to 160 inches
How much of Earth's land surface is covered with grasslands?
20-40%
What is used to stop water by creating reservoirs which hold and release water as necessary while sometimes generating power?
Dams
What year was the Clean Water and Air Act created?
1948
Which act controls overgrazing and overproduction of public lands
Taylor Grazing Act
Name the 2 requirements for an ecosystem to be classified as a forest.
1. 10% of the land must be covered by trees
2. Must be 1.25 acres
less than ___% of grasslands are protected
8%
Name all 3 invasive species we've discussed for wetlands
- nutria rats
- salt cedar
- water hyacinth