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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
always harmful
B
source of new genetic material
C
very common
D
always helpful
4) Mutations are not caused by which of the following?
A
xrays
B
physical accident to a parent
C
uv light
D
certain chemicals
5) Which of the following is not an adaptation that has made humans so successful?
A
complex brain
B
strong thumbs
C
walking upright
D
physical strength
6) The number of different species an ecosystem contains is its
A
habitat
B
species eveness
C
species niche
D
species richness
7) Which of the following would not be considered a generalist species?
A
human
B
cockroach
C
panda
D
white tailed deer
8) Which of the following is not an example of an indicator species?
A
bird that needs a large forested area
B
trout in a lake
C
all are
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
keystone
B
generalist
C
specialist
D
indicator
10) A species in an ecosystem that shapes communities by creating and enhancing habitats in ways that benefit other species is called
A
foundation species
B
indicator
C
exotic species
D
native
*select an answer for all questions
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