Unit 12 Ecology Part 2 Question Preview (ID: 50124)
Review For 3rd Nine Weeks Exam.
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A climax community
a) is the beginning of succession
b) is the end stage of succession
c) is found in the middle of succession
d) is when an ecosystem is destroyed
A logger clears a forest and the forest regrows over many years. Which type of succession represents the regrowth of this forest?
a) primary succession
b) pioneer species
c) secondary succession
d) climax community
Organisms that are the first to move into an area, and begin forming soil for an ecosystem, are known as
a) pioneer species
b) hardwood trees
c) a climax community
d) bushes
Which of the following statements is NOT true of secondary succession?
a) Moss and lichens must be present
b) Begins with soil
c) Occurs after a disturbance
d) Ends in a climax community
Tapeworms feed off of their host organism. This makes them a
a) competitor
b) predator
c) host
d) parasite
One difference between parasitism and predation is that parasites
a) do very little harm to their hosts
b) keep their hosts alive for a period of time
c) attack the host only from the inside
d) are not very big
The correct order of primary succession of a volcanic island is
a) shrubs-mosses-coconut trees-sea grasses
b) volcanic rocks-lichen-mosses-grasses-coconut trees
c) volcanic rock-shrubs-coconut trees-sea grasses
d) volcanic rock-sea grasses-coconut trees-shrubs
An insect gathers pollen and nectar for food, but at the same time is aiding in the plant's reproduction by spreading pollen to other flowers it visit. What does this relationship demonstrate?
a) predation
b) commensalism
c) mutualism
d) parasitism
An oak tree grows beside a pine tree. Eventually, the oak tree overshadows the pine tree, and the pine tree dies. Identify the type of relationship being described.
a) competition
b) mutualism
c) predatory-prey
d) parasitism
A remora fish will attach itself to a shark and use the shark for transportation and eat all the food that is left over from the shark. The shark gets no benefit. What type of symbiosis does this show?
a) parasitism
b) mutualism
c) cooperation
d) commensalism
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