4.04 Quiz
Answer Key
Question 1 (Worth 2 points)
For consecutive seasons, farmers have exceeded their pesticide use. How will this affect the
community of animals that share their ecosystem?
Pesticides will not harm any of the animals that live in the area.
Any animal susceptible to pesticides will die or suffer altered reproductive cycles.
Most animals will immigrate to avoid pesticide exposure.
Any animal exposed to the pesticide will die in the area surrounding the farms.
Points earned on this question: 2
Question 2 (Worth 2 points)
Cuban tree frogs eat smaller native frogs in the Florida Everglades. What does this scenario
represent?
A loss of biodiversity due to a catastrophic event
A gain in biodiversity due to human activity
A loss of biodiversity due to an invasive species
A gain in biodiversity due to climate change
Points earned on this question: 2
Question 3 (Worth 2 points)
The city has applied for a government grant to build a new wastewater treatment facility. To
qualify for the grant, the city must prove it has accounted for all potential dangers to animal
populations surrounding the plant. What environmental parameters should be monitored to
ensure the plant is not adversely affecting the animal species living near the plant?
Land prices and the potential damage to the housing market in the area
The soil composition of the land and the topography of the surrounding area
The costs of utility and wastewater set up for the new wastewater plant
Migrating bird populations and the carry capacities of local animal species
Points earned on this question: 2
Question 4 (Worth 2 points)
The national government wants to increase the number of national parks and recreation areas.
How will this act help with the sustainability of our environment?
It will increase the carrying capacities of all animal species
It will decrease land use for waste management
It will preserve biodiversity for future generations.
It will cause a biological surplus of all plant species
Points earned on this question: 2
Question 5 (Worth 2 points)
How would increased chlorofluorocarbons (CFCs) in the atmosphere affect the growth of
vegetation throughout the world?
Ultraviolet light will increase on Earth’s surface. It will raise temperatures and decrease
plant populations.
Ultraviolet light will decrease on Earth’s surface. It will lower temperatures and decrease
plant populations.
Ultraviolet light will decrease on Earth’s surface. It will lower temperatures and increase
plant populations.
Ultraviolet light will increase on Earth’s surface. It will raise temperatures and increase
plant populations.
Points earned on this question: 0
Question 6 (Worth 2 points)
A large storm destroys the greenbelt of an island coastline. What are the consequences of this
loss of habitat?
A fast recovery of the coastline ecosystem
Beach erosion to the unprotected coastline
A quick redevelopment of the greenbelt
An expansion of beach vegetation
Points earned on this question: 2
Question 7 (Worth 4 points)
Deer are eating the crops of local farms. Farm owners are asking wildlife managers to increase
the bag limits for deer in the state park adjacent to their farms. Bag limits are the number of deer
hunters can kill per season. What environmental factors should wildlife manager investigate
before making a decision? Please provide supporting details for your answer.
Essay Submission
They should first check how much deer there is in the area, that way they can be sure to set
the right amount. Once they find that out, they have to set a limited amount of deer killing
in the season.
Points earned on this question: 4
Question 8 (Worth 4 points)
The city wants to drain a large lake to use the land for a new courthouse adjacent to county
offices. What environmental factors need to be investigated before draining the lake?
Essay Submission
They should first check to see if any living animals or species are living there. If you drain
the lake, you will be changing the natural balance of things. The species that rely on that
lake water will no longer be able to use it.
Points earned on this question: 4
Question 9 (Worth 4 points)
Describe two ways to protect the biodiversity of local freshwater ecosystems.
Essay Submission
Many times, freshwater ecosystems depend on plant matter and other sort of things that
are used for the growth of the plant. When you plant any sort of plant, it helps. Another
good way to try to prevent the use of fertilizers. This can make the freshwater unhealthy.
The best way to do this would be by changing soils and usages.
Points earned on this question: 4