Biodiversity
Natural Resources
Populations
Best Practices
Grab Bag
100
Which of the following would have the most negative impact on biodiversity?
-reducing pesticide use
-having a controlled burn to remove undergrowth
-draining a wetland to build a parking lot
Draining a wetland to build a parking log
100
If the use of fossil fuels was unlimited, what effects would this have on the biosphere?
It would increase pollution which could hurt the biodiversity on Earth.
100
The human population on increasing every day. How does this increase affect the natural resources humans need to survive?
It results in more demand for resources OR It uses up the resources faster OR It could make resources run out.
100
What effect does recycling or reusing materials have on environmental resources?
Makes less waste OR Preserves raw materials
100
In what eco-region of NC would you most likely find sandy, well drained soil?
Coastal plain
200
What ecosystem is known for having the most biodiversity?
tropical rainforest
200
Energy created from both ocean tides and wave action can be categorized as ______________ energy sources.
Renewable
200
What causes a population to stabilize over time?
the decreasing ratio of resources to number of individuals in the population
200
Which of the following would be the best way to reduce environmental impact regarding agricultural practices?
-increase pesticide use
-decrease crop rotation
-decrease fertilizer use
decrease fertilizer use
200
A group of beluga whales in a river in Canada have the highest cancer rates among animals. What could explain the cancer rate among this population?
Pollution and chemical run-off in the river.
300
How could a global decrease in plant diversity affect the biosphere?
It could cause a decrease in animal diversity OR
It could cause a reduced amount of oxygen available.
300
If coastal NC increased implementation of wind energy, what could happen in terms of green house gas production?
Greenhouse gas production would decrease b/c wind doesn't generate any greenhouse gases.
300
The carrying capacity of a region is affected by both density-dependent and density-independent factors. Give an example of a density-independent factor.
Weather events (tornadoes, storms, hurricanes, blizzards)
Natural disasters (floods, earthquakes)
300
How will increasing the amount of decaying organic material to a forest floor help stabilize the forest?
The decaying material adds nutrients back to the soil.
300
What is the concern regarding the introduction of a non-native species to an ecosystem and its affect the native population?
The native population could could be reduced.
400
A population of animals live in a cold mountainous climate. Over time, the climate becomes drier and warmer. Alleles for which of the following traits would allow the individuals to survive the change?
-sharp teeth
-small ears
-short fur
short fur
400
Even though electric cars are expensive to own and recharging stations are not readily available, why do people still choose to buy electric cars?
Because they don't require fossil fuels which give off pollution OR They are more environmentally friendly.
400
What will happen when a stable population of animals exceeds the ecosystem's carrying capacity?
The ecosystem will degrade and the animal population will be negatively affected.
400
What happens to the erosion rate of a creek bank if cattle are allowed allowed to graze at the creek's edge?
Erosion will increase
400
One study found that Americans create more waste per day than Americans did in 1960. What types of things can account for this increase?
More single-use plastics OR increased packaging
500
Which biome has the most biodiversity?
-desert
-forest
-tundra
forest
500
What would scientists who conduct investigations on a newly discovered fuel need to know before they could promote that fuel as a cleaner alternative to fossil fuels?
That it is actually cleaner than the fuels currently in use
500
Can Earth's human population increase indefinitely? Why?
No, because there are a limited amount of resources on Earth.
500
Why would a farmer plant veviter grass along the ditches and borders of corn field?
To help reduce erosion
500
The Venus Fly Trap is only found around Wilmington, NC. This carnivorous plant is attractive to nurseries and others who sell plants. As a result, what is a likely threat to the wild populations of this plant based on its uniqueness and appeal to humans?
Poaching