What is the maximum population size of a species that a habitat can support? 2 words
Carrying capacity
Rainforests cover what percentage of Earth?
Hint: a small, even number
6%
What continents are savannas typically found?
Hint: 3
Africa, Australia, and South America
Options: Temporary, seasonal, or permanent
Temporary
________ factors effects occur through the interaction of animals, plants, and other organisms
Biotic
Vulnerable species have less than ______ mature individuals.
10,000
Feral Hogs
What is the benefit of tillage?
there are 2 benefits, but if you can list one, that is sufficient
control weeds and aerate soil
Riparian wetlands play a vital role in helping with ___________. Double points
Flooding or floodplain protection
Is disease considered biotic? no steals
Yes
What year was the first cooperative wildlife research center established?
1935
What is the highest point of the forest layers?
Options: Herb layer, Understory layer, canopy, forest floor, or shrub layer
Canopy
What percentage of Earth's land surface is covered with grasslands?
20% to __ %
20 to 40%
Recreational activities generate how much money per year?
Hint: even number between 1-100 billion
40 Billion
Death rate is expressed as the number of deaths per how many individuals per unit of time?
1000
What class do waterfowl belong to?
About how many million acres of tree-covered land is considered in risk of mortality?
Hint: 1-100
81
It takes 1000 years to create just _ centimeters of topsoil naturally.
Hint: less than 10
3
Which act was enacted to restore and maintain the chemical, physical, and biological integrity of the nation's waters?
Hint: the initials are CWA
Clean Water Act
What is the difference between emigration and immigration?
Emigration- individuals are leaving the population
Immigration- individuals are coming into the population
What percentage of fresh water is trapped in glaciers or underground aquifers?
Hint: odd number
99%
What act encouraged settlers to move west and provided free acreage to those who made the journey?
hint: home, home on the range...
Homestead act
Grasslands typically exist between forests and _________
deserts
Name the 4 types of wetlands
Density is divided up between which two factors?
Hint: Think variables
Independent and dependent