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Ch. 5 Biodiversity and Conservation Test

Total questions: 48

Worksheet time: 30mins

Name
Class
Date
1.
What is an invasive species?
a)
A native (naturally found) species which are added to an area. 
b)
A non-native (not naturally found) species added to an area. 
c)
A keystone species in an environment
d)
none of the above
2.

What is the variety of ecosystems that are present in the biosphere?

a)

species diversity

b)

genetic diversity

c)

ecosystem diversity

d)

biodiversity

3.
What is the variety of genes present?
a)
bidiversity
b)
species diversity
c)
extinction
d)
genetic diversity
4.
The number of different species and the abundance of each species in a biological community.
a)
genetic diversity
b)
ecosystem diversity
c)
extinction
d)
species diversity
5.
______ ______ includes thing like minerals, fossil fuels, plants, animals, clean water, and solar energy.
a)
Overexpoitation
b)
Natural Resources
c)
Nonrenewable Resources
6.
_______ happens when fertilizers, animal waste, sewage or other substances rich in nitrogen and phosphorus are lost into waterways causing excessive algae growth.
a)
Eutrophication
b)
Introduced species
c)
Biological Augmentation
d)
Nonrenewable Resource
7.
The use of living natural organisms to detoxify a polluted area?
a)
Biological Augmentation
b)
Introduced Species
c)
Bioremediation
8.
Species that are only found in a specific geographic area are _______.
a)
Introduced species
b)
Local species
c)
Endemic 
d)
Biodiversity hot spot
9.

the breaking of habitats into smaller pieces is called...

a)

habitat division

b)

habitat pollution

c)

habitat corruption

d)

habitat fragmentation

10.

How does genetic diversity increase a species’

chance of survival?

a)

It increases the number of organisms that have useful genes

b)

It increases the ability of a species to adapt to environmental changes.

c)

It produces a variety of species within a biological community

d)

It randomly distributes members of a species throughout an ecosystem

11.

Which type of biodiversity increases as you

move geographically from the polar regions

to the equator?

a)

ecosystem diversity

b)

genetic diversity

c)

social diversity

d)

species diversity

12.

Use the graph to

determine the

approximate

recovery time for

a volcanic eruption.

a)

1-10 years

b)

10-100 years

c)

100-1000 years

d)

1000 years or more

13.

Look at the following figure.

Name the process that is

occurring with the

increasing concentration

of DDT.

a)

pollution

b)

extinction

c)

biological magnification

d)

habitat fragmentation

14.

Which is an example of bioremediation?

a)

replanting trees in an area affected by acid rain

b)

using microorganisms to detoxify an oil spill

c)

enacting a law that protects endangered amphibians

d)

introducing natural predators to control a crop pest

15.
The practice of harvesting or hunting to such a degree that remaining individuals may not be able to replenish the population is called _____.
a)
biomagnification
b)
overexploitation
c)
edge effects
d)
natural resource
16.

Sulfur and nitrogen compounds react with water and

other substances in the air to form sulfuric acid and

nitric acid.

a)

Biological Magnification

b)

Acid precipitation

c)

Eutrophication

d)

Invasive (introduced) species

e)

Pollution

17.

Using resources at a rate in which they can be replaced

or recycled while preserving the long-term environmental health of the biosphere.

a)

Sustainable use

b)

Natural Resources

c)

Renewable resources

d)

Non-renewable resources

18.
Why is biodiversity so important?
a)
Because all species depend on each other to survive, so if one becomes extinct another species that relies on it could go extinct as well
b)
Because it’s better to have only one variation of each species.
c)
Because it better to only have a few species on Earth.
d)
Honestly, I have no idea what biodiversity is!
19.

The major cause of extinction is ____________________.

a)

climate change

b)

habitat destruction

c)

pollution

d)

poaching

20.

What type of biodiversity does this picture best represent?

a)

Genetic Diversity

b)

Species Diversity

c)

Ecosystem Diversity

d)

All of these are correct

21.

This picture best represents...

a)

Genetic Diversity

b)

Species Diversity

c)

Ecosystem Diversity

d)

All of these are correct

22.

What happens when species become extinct?

a)

a few are still alive

b)

the adults are dead but some eggs still have not hatched

c)

the whole species does not exist

d)

the species do not exist in some parts of the world

23.
The northern spotted owl is listed under the Endangered Species Act as a threatened species in its primary range. Which of the following most likely contributed to the owl's decline?
a)
increases in rodent populations
b)
loss of trees from forest habitat
c)
prevention of wildfires in forest
d)
decreases in mountain lion populations
24.

What two factors would make biodiversity increase?

a)

Tornadoes and hurricanes

b)

Large amount of producers and water

c)

More predators and competition

d)

The water cycle and ocean warming

25.

Greenbelts or hedgerows that provide natural corridors for migration, foraging and spreading of local species are known as

a)

corridors.

b)

pathways.

c)

links.

d)

clusters.

26.

Which of the following is a potential downside to including corridors in reserve design?

a)

Edge effects may be enhanced in the corridor

b)

High quality habitat in corridors may draw animals away from the core reserve

c)

The type of land useful in corridor design is often hard to acquire

d)

Corridors can exacerbate fragmentation

27.

____________ is the gradual process of species becoming extinct.

a)

Extinction

b)

Background extinction

c)

Mass extinction

d)

Species extinction

28.

An event in which a large percentage of all living species become extinct in a relatively short period of time is called _________________.

a)

Species Extinction

b)

Mass Extinction

c)

Ecosystem Extinction

d)

Extinction

29.

__________ are all materials and organisms found in the biosphere, including minerals, fossil fuels, plants, animals, soil, clean water, etc.

a)

Natural resources

b)

Renewable resources

c)

Non-renewable resources

d)

Pollutants

30.

The separation of a habitat into small pieces of land is called _____________________.

a)

Corridors

b)

Habitat

c)

Human interference

d)

Habitat Fragmentation

31.

___________ are different environmental conditions that occur around the boundaries of a habitat.

a)

Development

b)

Edge effect

c)

Human interaction

d)

Boundary effect

32.

_____________ means using resources at a rate that they can be replaced or restored.

a)

Recycle

b)

Reduce

c)

Re-use

d)

Sustainable use

33.

Species that are only found in a certain geographic area are called ________________.

a)

Endemic

b)

Epidemic

c)

Invasive

d)

Introduced

34.

The use of living organisms (like prokaryotes, fungi, or plants) to detoxify a polluted area is called __________________.

a)

Remediation

b)

De-pollution

c)

Bioremediation

d)

Going green

35.

Adding natural predators to a degraded ecosystem is called __________________.

a)

Biological remediation

b)

Biological augmentation

c)

Biological magnifcation

d)

Biological introduction

36.
An ecosystem has a stable population of white-tailed deer. What is the most likely outcome if a new species of deer that competed for the same resources were introduced?
a)
The white tailed deer population would increase
b)
The producer population would decrease
c)
The deer will not be affected
d)
The predator population would decrease
37.
Several invasive species eat the fruit of the Loulu tree in Hawaii, this reduces the regeneration rate of the tree.  What would be the outcome for Loulu trees in the future without intervention?
a)
They would become extinct.
b)
They would rebound and thrive
c)
They would remain at their current levels
d)
They would evolve a new way to reproduce
38.
Brown tree snakes were accidentally carried to Guam.  They prey upon birds.  There are no natural predators for the snakes in Guam, so which most likely happened as a result of of their arrival on Guam?
a)
Forest biodiversity increased
b)
many bird populations disappeared
c)
Immigration of  new species of birds decreased
d)
All reptile species increased in population size
39.

What is the number one cause of species

extinction today?

a)

habitat loss

b)

human predators

c)

transported diseases

d)

background extermination

40.
Biologists put extra effort into protecting these because they have many species living in them.
a)
Cities
b)
Biodiversity Hotspots
c)
Farms
d)
Conservation stations
41.

These often reproduce in large numbers because of a lack of predators, and become over-powering in their new habitat.

a)

Biological Magnification

b)

Acid precipitation

c)

Eutrophication

d)

Invasive (introduced) species

e)

Pollution

42.

what are the 3 types of biodiversity?

a)

Genetic, forest, aquatic

b)

Agriculture, pharmaceutical, deforestation

c)

Genetic, Species, Ecosystem

d)

Biology, chemistry, geography

43.
Which biome is more biodiverse?
a)
Desert
b)
Taiga
c)
Tundra
d)
Rainforest
44.

What is the definition of Endemic Species?

a)

a species of bug

b)

an extinct species

c)

Species found in more than one location

d)

Species found in only one location

45.
A drought has hit this grassland biome. How will this effect the rabbit population?
a)
The rabbits will increase in number.
b)
The rabbit population will stay the same.
c)
The rabbit population will decrease.
d)
The rabbit population will become extinct immediately.
46.

As biodiversity decreases, the sustainability of an ecosystem...

a)

Increases

b)

Decreases

c)

Stays the same

d)

All of these are correct

47.

Which of these is NOT a factor that makes a better nature reserve?

a)

smaller size

b)

less "edge"

c)

clustered reserves rather than fragmented

d)

habitat corridors

48.

There's been five major ones. We think this due to rapid change of climate, natural disaster (volcanic eruption, meteorite impact ?), so species die as they can't survive the change in conditions.

a)

Mass extinction

b)

Hot Spots

c)

Keystone Species

d)

Background Extinction

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