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Ecology 4
Test Description: Biodiversity
Instructions: Answer all questions to get your test result.
1) Zebra mussels, an aquatic pest, came to the United States on ships from Europe during the 1980’s. They reproduce and grow so quickly that they cause major ecological changes and are driving several native species close to extinction. Zebra mussel
A
a threatened species
B
an invasive species
C
a parasite
D
an endangered species
2) Why are fossil fuels nonrenewable?
A
Their ecosystems change forever when they are burned
B
They are converted to carbon dioxide when they are burned
C
They exist in a very small supply
D
They require hundreds of millions of years to form
3) Using renewable resources while ensuring that they are not depleted is a practice called
A
biological magnification
B
monoculture
C
subsistence hunting
D
sustainable development
4) The number of different species in the biosphere is called
A
genetic diversity
B
biodiversity
C
species diversity
D
ecosystem diversity
5) Biodiversity is important to human society because it
A
is a natural resource
B
all of the above
C
provides foods and goods
D
provides medicines
6) An endangered species is
A
all organisms at the top of food chains
B
a dangerous predator
C
a diseased animal
D
a group of organisms in danger of extinction
7) All of the following are threats to biodiversity EXCEPT
A
invasive species
B
species preservation
C
biological magnification of toxic compounds
D
habitat fragmentation
8) The goals of conservation biology include all of the following EXCEPT
A
introducing foreign species into new environments
B
wise management of natural resources
C
protection of biodiversity
D
preservation of habitats and wildlife
9) A disease resulting in the deaths of one third of a dense population of bats in a cave
A
density-dependant limiting factor
B
nutrient-limiting factor
C
density-independant limiting factor
D
result of exponential growth
10) Whose the best?
A
Mr. Kuhn
B
Mr. Kuhn
C
Mr. Kuhn
D
Mr. Kuhn
*select an answer for all questions
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