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Ecology Ch 4
Test Description: Biodiversity
Instructions: Answer all questions to get your test result.
1) Biodiversity includes all of the following components except
A
genetic
B
intellectual
C
functional
D
species
2) The variety of processes, including matter cycling and energy flow within ecosystems, that result from species interacting with one another in food webs is called
A
functional
B
genetic
C
species
D
ecosystems
3) Mutations are
A
source of new genetic material
B
very common
C
always helpful
D
always harmful
4) Mutations are not caused by which of the following?
A
physical accident to a parent
B
uv light
C
xrays
D
certain chemicals
5) Which of the following is not an adaptation that has made humans so successful?
A
strong thumbs
B
complex brain
C
walking upright
D
physical strength
6) The number of different species an ecosystem contains is its
A
habitat
B
species niche
C
species eveness
D
species richness
7) Which of the following would not be considered a generalist species?
A
white tailed deer
B
cockroach
C
human
D
panda
8) Which of the following is not an example of an indicator species?
A
trout in a lake
B
all are
C
bird that needs a large forested area
D
frog that takes in chwmicals through its skin
9) A species in an ecosystem that plays a central role in the health of that ecosystem, and whose removal may cause the collapse of the ecosystem, is called a(n)
A
specialist
B
generalist
C
indicator
D
keystone
10) A species in an ecosystem that shapes communities by creating and enhancing habitats in ways that benefit other species is called
A
native
B
exotic species
C
foundation species
D
indicator
*select an answer for all questions
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