Question 1

Which of the following has the slowest phosphate transfer rate?

Accepted Answer

A)   runoff
B)   decomposition of plants and animals
C)   mining
D)   weathering of rocks
E)   fertilizersF) A) and C)
G) A) and B)

Question 2

The physical space that an organism occupies in its environment is its

Accepted Answer

A)   habitat.
B)   niche.
C)   biotic factor.
D)   role.
E)   abiotic factor.F) A) and E)
G) B) and D)

Question 3

Martin is studying blue gill fish,which are insectivores.How would you classify this fish?

Accepted Answer

A)   autotrophic consumer
B)   autotrophic producer
C)   heterotrophic decomposer
D)   detritivore
E)   heterotrophic consumerF) None of the above
G) A) and D)

Question 4

To increase her tomato yield,an organic gardener plants legumes alongside her tomato bushes rather than using fertilizers.Why did she plant legumes?

Accepted Answer

A)   Legumes have root nodules with nitrogen fixing bacteria.
B)   Legumes convert ammonium to nitrates.
C)   Root nodules on legumes have denitrifying bacteria.
D)   Legumes are an immediate source of phosphorus and nitrogen.
E)   Root nodules on legumes produce nitrifying bacteria. Legumes have nodules with nitrogen-fixing bacteria and this increases the nitrogen content of the soil.F) A) and B)
G) A) and C)

Question 5

Which two terrestrial biomes are the most similar with regards to rainfall?

Accepted Answer

A)   desert & taiga
B)   tundra & desert
C)   desert & temperate forest
D)   temperate grasslands & desert
E)   temperate forests & rainforestsF) A) and E)
G) A) and D)

Question 6

If there is 2,000 kg of caterpillars,how much of this biomass will be converted into top carnivore tissue?

Accepted Answer

A)   20,000 kg
B)   2,000 kg
C)   200 kg
D)   20 kg
E)   2 kgF) A) and C)
G) A) and E)

Question 7

The most inclusive level of biological organization is

Accepted Answer

A)   ecosystems.
B)   biomes.
C)   the biosphere.
D)   communities.
E)   ecotypes. The biosphere encompasses all ecosystems and thus all spheres were living organisms are found.F) C) and D)
G) B) and C)

Question 8

Which of the following would be considered an example of competition?

Accepted Answer

A)   Some species of crabs decorate their shells with sea anemones and other corals. These "decorations" help camouflage the crab and the movement of the crab from one area to the next exposes the corals and anemones to different sources of food.
B)   Some spiders do not build webs, but live in the web of another species. When a prey item is caught in the web, the non-web building spider will sneak in and steal the prey.
C)   A praying mantis hunting and eating a fly is an example.
D)   The longest tapeworm removed from a human was approximately 11 meters long. Tapeworms do not have a digestive system, but obtains all of their nutrients from the host.
E)   Pseudoscorpions are small, harmless arachnids. To move from one place to another, they will sometimes latch onto the legs of flies and thus be carried long distances that they would not readily be able to traverse.F) All of the above
G) B) and C)

Question 9

All of the following are reservoirs EXCEPT

Accepted Answer

A)   oil.
B)   calcium carbonate.
C)   coal
D)   natural gas.
E)   bicarbonate. Bicarbonate is formed when carbon dioxide from the air combines with water. This is an immediate source of carbon for aquatic organisms, not a reservoir.F) All of the above
G) B) and D)

Question 10

Which of the following communities is the LEAST diverse?

Accepted Answer

A)   15 lions, 100 zebras, 80 giraffes
B)   50 squirrels, 75 oak trees, 60 maple trees
C)   4 crab spiders, 76 goldenrod, 60 echinacea
D)   40 bass, 60 minnow, 55 blue gill
E)   5 elm trees, 7 beech trees, 6 birch treesF) C) and E)
G) B) and E)

Question 11

Which of the following is an example of the competitive exclusion principle?

Accepted Answer

A)   two different species occupying the same ecological niche
B)   two species competing for food and territory
C)   competition of mates between two different species
D)   two species sharing the same habitat
E)   one species outcompeting another species in a particular nicheF) C) and E)
G) A) and C)

Question 12

Which of the following would be considered a mutualistic relationship?

Accepted Answer

A)   Some species of crabs decorate their shells with sea anemones and other corals. These "decorations" help camouflage the crab and the movement of the crab from one area to the next exposes the corals and anemones to different sources of food.
B)   Some spiders do not build webs, but live in the web of another species. When a prey item is caught in the web, the non-web building spider will sneak in and steal the prey.
C)   A praying mantis hunting and eating a fly.
D)   The longest tapeworm removed from a human was approximately 11 meters long. Tapeworms do not have a digestive system, but obtains all of their nutrients from the host.
E)   Pseudoscorpions are small, harmless arachnids. To move from one place to another, they will sometimes latch onto the legs of flies and thus be carried long distances that they would not readily be able to traverse.F) C) and D)
G) All of the above

Question 13

In aquatic ecosystems primary productivity is most dependent on

Accepted Answer

A)   organic nutrients.
B)   species richness and diversity.
C)   the type of soil.
D)   the rate of photosynthesis.
E)   inorganic nutrients. Inorganic nutrients are often limiting factors for growth. Estuaries and marshes have many decomposers which convert organic nutrients to inorganic compounds which are needed for growth.F) A) and E)
G) B) and C)

Question 14

When too many nutrients are added to of a body of water,this is known as

Accepted Answer

A)   a biogeochemical cycle.
B)   reservoirs.
C)   eutrophication.
D)   global warming.
E)   nitrogen fixing.F) C) and E)
G) None of the above

Question 15

A decomposer ultimately obtains all its food from

Accepted Answer

A)   sunlight.
B)   mushrooms.
C)   preying on other living organism.
D)   parasitizing living organisms.
E)   dead and decaying plant matter.F) D) and E)
G) C) and D)

Question 16

Which of the following is NOT an example of an animal's niche?

Accepted Answer

A)   a small bird living in the dense shrubs at the base of a tree
B)   two male lizards fighting over access to a female
C)   a grasshopper feeding on leaves
D)   an oystercatcher eating bivalves
E)   lions and hyenas fighting over access to a zebra carcassF) None of the above
G) A) and E)

Question 17

A community is

Accepted Answer

A)   populations of multiple species interacting with one another in a specific area.
B)   populations of organisms and the abiotic factors in their environment.
C)   competition for food between individuals in a population.
D)   all the biotic and abiotic factors in an environment.
E)   multiple organisms of the same species living in a specific area.F) A) and B)
G) A) and C)

Question 18

Which of the following would be considered a parasitic relationship?

Accepted Answer

A)   Some species of crabs decorate their shells with sea anemones and other corals. These "decorations" help camouflage the crab and the movement of the crab from one area to the next exposes the corals and anemones to different sources of food.
B)   Some spiders do not build webs, but live in the web of another species. When a prey item is caught in the web, the non-web building spider will sneak in and steal the prey.
C)   A praying mantis hunting and eating a fly.
D)   The longest tapeworm removed from a human was approximately 11 meters long. Tapeworms do not have a digestive system, but obtains all of their nutrients from the host which can cause problems for the host especially if (s) he is undernourished.
E)   Pseudoscorpions are small, harmless arachnids. To move from one place to another, they will sometimes latch onto the legs of flies and thus be carried long distances that they would not readily be able to traverse.F) B) and E)
G) B) and D)

Question 19

Which of the following boxes indicates the process of nitrification?

Accepted Answer

A)   Box A
B)   Box B
C)   Box C
D)   Box D
E)   Box E Nitrification is the production of nitrates from ammonium.F) D) and E)
G) C) and E)

Question 20

Based on the figure shown here,which organism is NOT a primary consumer?

Accepted Answer

A)   rabbit
B)   deer
C)   mice
D)   chipmunk
E)   fisherF) A) and B)
G) A) and D)

Exam 31: Communities and Ecosystems

In aquatic ecosystems primary productivity is most dependent on

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The physical space that an organism occupies in its environment is its

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All of the following are reservoirs EXCEPT

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To increase her tomato yield,an organic gardener plants legumes alongside her tomato bushes rather than using fertilizers.Why did she plant legumes?

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Which of the following would be considered a mutualistic relationship?

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Which of the following would be considered an example of competition?

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If there is 2,000 kg of caterpillars,how much of this biomass will be converted into top carnivore tissue?

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Which of the following is NOT an example of an animal's niche?

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Martin is studying blue gill fish,which are insectivores.How would you classify this fish?

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Which of the following boxes indicates the process of nitrification?

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Which of the following would be considered a parasitic relationship?

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The most inclusive level of biological organization is

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A decomposer ultimately obtains all its food from

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Which of the following is an example of the competitive exclusion principle?

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A community is

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Which two terrestrial biomes are the most similar with regards to rainfall?

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Which of the following has the slowest phosphate transfer rate?

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When too many nutrients are added to of a body of water,this is known as

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Which of the following communities is the LEAST diverse?

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Based on the figure shown here,which organism is NOT a primary consumer?

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