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Ecological Communities
Test Description: Pearson 5.2
Instructions: Answer all questions to get your test result.
1) Everything an organism does and when it does it, describes an organism's
A
tolerance
B
niche
C
character dispacement
D
community
2) Which of the following is an interaction in which one organism benefits and the other is harmed? (+/-)
A
parasitism
B
mutualism
C
commensalism
D
competition
3) Which of the following is an interaction in which both organisms are harmed? (-/-)
A
competition
B
commensalism
C
parasitism
D
predation
4) Which of the following types of organisms perform photosynthesis?
A
primary producer
B
canivore
C
herbivore
D
detirvore
5) Which of the following organisms is a decomposer?
A
plant
B
tiger
C
deer
D
mushroom
6) A caterpillar eats some grass. A bird eats the caterpillar, a fox eats the bird. Which food chain represents this series of feeding relationships?
A
grass-caterpillar-bird-fox
B
bird-fox-caterpillar-grass
C
caterpillar-grass-bird-fox
D
fox-bird-caterpillar-grass
7) An interaction in which an individual of one species kills and consumes an individual of another is called
A
symbiosis
B
herbivory
C
predation
D
parasitism
8) A beehive depends on pollen from flowers to survive. Flowers depend on bees to pollinate them. Humans tend bee hives, offering the bees a place to live in exchange for some of their honey. The relationship among these three sets of organisms is
A
commensalist
B
mutualistic
C
symbiotic
D
parasitic
9) The ultimate source of energy in an ecosystem in which deer eat grass and coyotes eat deer is
A
grass
B
sun
C
photosynthesis
D
deer
10) A deer browsing on a shrub is an example of
A
herbivory
B
predation
C
photosynthesis
D
parasitism
11) The first level of all food pyramids
A
consist of primary consumers
B
is chemosynthesis
C
is photosynthesis
D
consists of primary producers
12) When energy is transferred between trophic levels, the amount of available energy lost is about
A
90%
B
50%
C
10%
D
25%
13) Humans are generally
A
herbivores
B
detrivores
C
carnivores
D
omnivores
14) Any being that uses the sun's energy to create sugars is a
A
primary consumer
B
secondary producer
C
primary producer
D
secondary consumer
15) What is true about energy transfer in communities?
A
most of the energy in a trophic level is lost to heat
B
it moves from consumer to producer
C
most of the energy in a trophic level transfers to the one above it
D
it is 100% efficient
*select an answer for all questions
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