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Section 3
Test Description: Population and Biodiversity
Instructions: Answer all questions to get your test result.
1) Most of the living species known to science
A
live in the richer countries of the world
B
live in deserts
C
are insects
D
are large mammals
2) A mass extinction is
A
a benefit to the environment
B
the introduction of exotic species
C
a rapid increase of biodiversity
D
the extinction of many species in a short period of time
3) Emphasizing the preservation of entire ecosystems will
A
save many unknown species from extinction
B
cause the economic needs of farmers to suffer in order to save a single species
C
throw the food webs of many ecosystems out of balance
D
decrease biodiversity, especially in tropical rain forests, coral reefs, and islands
4) The term biodiversity refers to
A
the extinction of the dinosaurs
B
the variety of species on Earth
C
habitat destruction, invasive exotic species, and poaching
D
the fact that 40 percent of prescription drugs come from living things
5) Human population growth accelerated in recent centuries mostly because of
A
the discovery of electricity
B
better hygiene and food
C
the bubonic plague
D
improved efficiency of fuel use
6) Which of the following uses of wood is the most important for basic human needs?
A
heating the home
B
making tools
C
building shelter
D
boiling water
7) Which of the following resources is likely to be impacted the most by a rapidly growing population?
A
housing
B
clothing
C
water
D
food
8) Which of the following is an example of coevolution?
A
wolves that compete with each ofther for territory
B
flowers that can be pollinated by only one species of insect
C
bacteria that suddenly mutate in a lab
D
rabbits that invade a new habitat
9) Ants and Acacia trees have a mutualistic relationship because
A
they benefit each other
B
they are both adapted to a humid climate
C
they are part of the same ecosystem
D
the ants eat parts of the Acacia tree
10) The growth rate of a population fo geese will probably increase within a year if
A
some birds get lost during migration
B
more birds die than are hatched
C
several females begin laying eggs at younger ages than their mothers did
D
several females lay two eggs instead of three during nesting season
*select an answer for all questions
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