Ecological Communities Question Preview (ID: 46566)
Pearson 5.2.
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Everything an organism does and when it does it, describes an organism's
a) tolerance
b) community
c) character dispacement
d) niche
Which of the following is an interaction in which one organism benefits and the other is harmed? (+/-)
a) parasitism
b) mutualism
c) competition
d) commensalism
Which of the following is an interaction in which both organisms are harmed? (-/-)
a) parasitism
b) predation
c) competition
d) commensalism
Which of the following types of organisms perform photosynthesis?
a) detirvore
b) herbivore
c) primary producer
d) canivore
Which of the following organisms is a decomposer?
a) plant
b) tiger
c) mushroom
d) deer
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) fox-bird-caterpillar-grass
b) bird-fox-caterpillar-grass
c) caterpillar-grass-bird-fox
d) grass-caterpillar-bird-fox
An interaction in which an individual of one species kills and consumes an individual of another is called
a) predation
b) parasitism
c) herbivory
d) symbiosis
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) parasitic
b) commensalist
c) symbiotic
d) mutualistic
The ultimate source of energy in an ecosystem in which deer eat grass and coyotes eat deer is
a) grass
b) sun
c) deer
d) photosynthesis
A deer browsing on a shrub is an example of
a) predation
b) parasitism
c) herbivory
d) photosynthesis
The first level of all food pyramids
a) consists of primary producers
b) consist of primary consumers
c) is chemosynthesis
d) is photosynthesis
When energy is transferred between trophic levels, the amount of available energy lost is about
a) 90%
b) 50%
c) 25%
d) 10%
Humans are generally
a) carnivores
b) herbivores
c) omnivores
d) detrivores
Any being that uses the sun's energy to create sugars is a
a) primary consumer
b) secondary consumer
c) primary producer
d) secondary producer
What is true about energy transfer in communities?
a) it is 100% efficient
b) it moves from consumer to producer
c) most of the energy in a trophic level is lost to heat
d) most of the energy in a trophic level transfers to the one above it
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