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