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Unit 12 Ecology Part 2
Test Description: Review for 3rd Nine Weeks Exam
Instructions: Answer all questions to get your test result.
1) A climax community
A
is when an ecosystem is destroyed
B
is found in the middle of succession
C
is the beginning of succession
D
is the end stage of succession
2) A logger clears a forest and the forest regrows over many years. Which type of succession represents the regrowth of this forest?
A
pioneer species
B
secondary succession
C
climax community
D
primary succession
3) Organisms that are the first to move into an area, and begin forming soil for an ecosystem, are known as
A
bushes
B
pioneer species
C
hardwood trees
D
a climax community
4) Which of the following statements is NOT true of secondary succession?
A
Occurs after a disturbance
B
Moss and lichens must be present
C
Ends in a climax community
D
Begins with soil
5) Tapeworms feed off of their host organism. This makes them a
A
parasite
B
host
C
predator
D
competitor
6) One difference between parasitism and predation is that parasites
A
keep their hosts alive for a period of time
B
are not very big
C
do very little harm to their hosts
D
attack the host only from the inside
7) The correct order of primary succession of a volcanic island is
A
volcanic rock-sea grasses-coconut trees-shrubs
B
volcanic rock-shrubs-coconut trees-sea grasses
C
volcanic rocks-lichen-mosses-grasses-coconut trees
D
shrubs-mosses-coconut trees-sea grasses
8) 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
commensalism
B
parasitism
C
mutualism
D
predation
9) 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
parasitism
B
mutualism
C
competition
D
predatory-prey
10) 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
commensalism
C
cooperation
D
mutualism
*select an answer for all questions
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