Biology - Ecology Chapter 6 Quiz Question Preview (ID: 34501)


Chapter 6. TEACHERS: click here for quick copy question ID numbers.

An introduced or invasive species can drive a natural species to extinction.
a) True
b) False
c)
d)

The main cause of the thinning ozone layer is global warming.
a) True
b) False
c)
d)

Acidic gasses are released into the air by combustion processes such as the burning of fossil fuels.
a) True
b) False
c)
d)

Biodiversity is important to humans because we are part of it and dependent on it for our own survival.
a) True
b) False
c)
d)

One of the values of biological magnification is its potential as a source of material that is beneficial to humans.
a) True
b) False
c)
d)

An increase in the earth's average temperature from the buildup of carbon dioxide and other gases in the atmosphere is called
a) particulate dispersal
b) global warming/climate change
c) ozone depletion
d) the greenhouse effect

Biodiversity is valuable in the biosphere because it
a) tells us about many other species
b) gives us interesting things to look at
c) is the biological life support system for our planet
d) provides humans with resistance to disease

All of the following are threats to biodiversity EXCEPT
a) biological magnification of toxic compounds
b) species preservation
c) invasive species
d) habitat fragmentation

What would be the most likely effect of an increase in the use of CFC's?
a) The ozone holes would get larger
b) there would be no effect on ozone in the atmosphere
c) the ozone layer would disappear
d) the ozone holes would get smaller

Plants and animals that have migrated to places where they are not native are called
a) introduced species
b) Invasive species
c) exotic species
d) All of these

One of the greatest threats to biological diversity is
a) old growth forests
b) habitat destruction
c) ozone depletion
d) monoculture

An endangered species is
a) all organisms at the top of the food chain
b) a dangerous predator
c) a diseased animal
d) a group of organisms near extinction

Biodiversity is important to human society because it
a) damage eyes
b) cause cancer
c) decrease organisms resistance to disease
d) all of these

Overexposure to UV radiation can
a) is a natural resource
b) provides medicines
c) provides foods and goods
d) all of these

The number of different species in the biosphere is called
a) species diversity
b) ecosystem diversity
c) biodiversity
d) genetic diversity

The major cause of ozone depletion is
a) ultraviolet light
b) sulfuric acid
c) CFC's
d) nitric acid

The sum total of the genetically-based variety of living organisms in the biosphere is called
a) conservative biology
b) sustainable use
c) biodiversity
d) species diversity

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