What makes grasslands fertile?
Decaying roots
animals with antlers are in the group
cervidae
Where do whistling ducks typically build their nests?
tree cavities
A massive volcanic eruption covers an area with new lava rock. What type of succession would begin in this area?
primary succession
Which order of mammals is characterized by having hooves?
artiodactyla
How many trees are needed to be considered a forest?
15
Where is the vast majority (99%) of Earth's freshwater stored?
In glaciers and underground aquifers
what method involves using leg bands to mark ducks?
mark and recapture
A species is classified as "vulnerable" when its population has been reduced by what percentage?
30-50%
Which of the following best describes "provisional services" provided by a habitat?
products harvested or extracted from a habitat for use
The practice of removing all trees of the same age from a specific area is known as what?
clear-cutting
What term describes the potential for an organism to produce offspring?
Fecundity
When do male ducks molt into colorful breeding plumage?
Mid-summer before breeding season
What process involves the uptake of non-organic forms of nitrogen and phosphorus through the roots of wetland vegetation?
Biological Uptake
What is peat primarily made from?
Partially decomposed vegetation
Where are most of the nutrients stored in a tropical rainforest ecosystem?
in the plants
Which significant environmental legislation was passed in the United States following the ecological disaster known as the Dust Bowl?
Soil Conservation Act
what is an example of a dabbling duck
mallard or northern shovler
Which characteristic is typical of animals in the family Didelphidae?
young are underdeveloped and carried in pouches
What is a common method used to manipulate wildlife populations, such as deer, by providing concentrated food sources?
food plots
What percentage of forests remain in the united states?
33%
What are rewards given to people, like farmers, for following specific environmental or agricultural procedures called?
Incentives
Why are stopover sites crucial for migratory birds?
They provide essential resources for survival during long migrations.
A farmer abandoning his agricultural field will lead to what ecological event?
secondary succession
Under which US federal department does the Bureau of Land Management operate?
US Department of the Interior