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Ecology 2
Test Description: Climate, interactions
Instructions: Answer all questions to get your test result.
1) Only 10 percent of the energy stored in an organism can be passed on to the next trophic level. Of the remaining energy, some is used for the organism’s life processes, and the rest is
A
stored as fat
B
eliminated as heat
C
used in reproduction
D
stored in body tissue
2) The average year-after-year conditions of temperature and precipitation in a particular region are referred to as the region’s
A
weather
B
climate
C
latitude
D
ecosystem
3) All of the following factors contribute to Earth’s climate EXCEPT
A
transport of heat
B
latitude
C
longitude
D
shape and elevation of landmasses
4) Temperatures on Earth remain within a suitable range for life as we know it because of the
A
greenhouse effect
B
unequal heating of Earth
C
radiation of sunlight back into atmosphere
D
loss of heat to space
5) Each of the following is an abiotic factor in the environment EXCEPT
A
rainfall
B
soil type
C
plant life
D
temperature
6) Which is a biotic factor that affects the size of a population in a specific ecosystem?
A
number and kinds of predators in the ecosystem
B
type of soil in the ecosystem
C
concentration of oxygen in the ecosystem
D
average temperature of the ecosystem
7) An organism’s niche is
A
a full description of the place an organism lives
B
the range of physical and biological conditions in which an organism lives and the way in which it uses those conditions
C
the range of temperatures that the organism needs to survive
D
all the physical and biological factors in the organism’s environment
8) An interaction in which one organism captures and feeds on another organism is called
A
competition
B
predation
C
mutualism
D
symbiosis
9) Different species can share the same habitat, but competition among them is reduced if they
A
eat less
B
increase their population
C
occupy different niches
D
reproduce at different times
10) A symbiotic relationship in which both species benefit is
A
parasitism
B
commensalism
C
predation
D
mutualism
*select an answer for all questions
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