Hosted
by
Mr. Manskopf
Biodiversity
Endangered
Population
General
Ecology
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d.
desert
Which biome would have the
lowest net primary production?
a. tropical rain forest
b. temperate grassland
c. coral reef
d. desert
Row 1, Col 1
c.
endangered species.
A species that is at serious risk
of extinction is called a(n)
a. threatened species.
b. invasive species.
c. endangered species.
d. extirpated species.
1,2
a.
grass
In a food web that consists of grass,
mice, deer, coyotes, and hawks,
which species is likely to have
the greatest biomass?
a. grass
b. mice
c. coyotes
d. hawks
1,3
c.
migration.
Every spring, many species of bird travel
north to the Arctic to breed, and in the fall
travel south again for the winter.
This is an example of
a. immigration.
b. emigration.
c. migration.
d. population growth.
1,4
c.
coral reefs
Which biome would have the highest
net primary production?
a. savanna
b. boreal forest
c. coral reefs
d. desert
2,1
c.
habitat change and fragmentation
By far, the biggest cause of
biodiversity loss today is
a. climate change.
b. over harvesting.
c. habitat change and fragmentation.
d. pollution.
2,2
a.
primary producer.
Any being that uses the sun’s energy
to create sugars is a
a. primary producer.
b. secondary producer.
c. primary consumer.
d. secondary consumer.
2,3
d.
the rate of background extinction
In a mass extinction, the rate of
extinction exceeds
a. 99%.
b. 85%.
c. the rate of environmental change.
d. the rate of background extinction.
2,4
b.
Endangered Species Act
In the United States, what is the
major law that protects biodiversity?
a. Convention on Biological Diversity
b. Endangered Species Act
c. U.S. Fish and Wildlife Service
d. Species Survival Plan
3,1
a.
wildlife corridor.
There is a plan to establish an
8000-kilometer-long strip of land
across eight southeast Asian countries
to rejoin fragments of tiger habitat.
This is an example of a
a. wildlife corridor.
b. worldwide biodiversity treaty.
c. captive breeding program.
d. conservation concession.
3,2
b.
secondary succession
In the years immediately after a fire,
a forest will experience
a. primary succession.
b. secondary succession.
c. tertiary succession.
d. a climax community.
3,3
a.
predation.
An interaction in which an individual
of one species kills and consumes an
individual of another is called
a. predation.
b. parasitism.
c. herbivory.
d. symbiosis.
3,4
d.
increase the stability of an ecosystem
High levels of biodiversity tend to
a. have little or no effect on ecosystems.
b. decrease an ecosystem’s resistance.
c. make an ecosystem less resilient.
d. increase the stability of an ecosystem.
4,1
d.
extinction
When the environment changes
too quickly for an organism to adapt,
what will occur?
a. evolution
b. speciation
c. genetic drift
d. extinction
4,2
a.
35 grasshoppers/10 square meters
Which is the highest population
density of grasshoppers?
a. 35 grasshoppers/10 square meters
b. 40 grasshoppers/20 square meters
c. 1 grasshopper/1 square meter
d. 50 grasshoppers/30 square meters
4,3
a.
classify aquatic ecosystems.
Criteria such as salinity, depth, and
whether the water is flowing or standing
are used by scientists to
a.
classify aquatic ecosystems.
b.
measure net primary productivity in lakes.
c. distinguish aquatic ecosystems
from terrestrial ecosystems.
d.
determine the number of species in a body of water.
4,4
a.
increases toward the equator.
The latitudinal gradient is a natural
pattern in which species diversity generally
a. increases toward the equator.
b. decreases toward the prime meridian.
c. decreases in warmer climates.
d. increases toward the poles.
5,1
a.
5
In the history of the world,
how many mass extinctions
have occurred?
a. 5
b. 7
c. 10
d. 13
5,2
a.
logistic growth.
A population of wolves is reintroduced
into Yellowstone National Park.
For the first decade, the wolf population
grows exponentially. Then, the population
growth slows. The new pattern is known as
a.
logistic growth.
b. limiting factors.
c.
carrying capacity.
d. exponential growth.
5,3
b.
photic zone
Which zone of an aquatic ecosystem
tends to have more life—
both producers and consumers?
a. aphotic zone
b. photic zone
c. benthic zone
d. All have roughly the same amounts of life.
5,4