Ecological Communities Question Preview (ID: 46566)


Pearson 5.2. TEACHERS: click here for quick copy question ID numbers.

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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