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Published byHortense Wilkerson Modified over 9 years ago
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The many overlapping food chains in an ecosystem make up a(n)
a. feeding level b. energy pyramid c. niche d. food web
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d. food web
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The step in the water cycle in which water vapor becomes liquid water is
a. precipitation b. condensation c. nitrogen fixation d. recycling
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b. condensation
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The study of where organisms live is called
a. ecology b. dispersal c. biogeography d. climatology
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c. biogeography
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The very slow movements of the continents is called
a. biogeography b. continental drift c. dispersal d. creep
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b. continental drift
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Which of these consumers is a herbivore?
a. spider b. lion c. deer d. snake
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c. deer
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An organism that makes it’s own food is called
a. scavenger b. consumer c. decomposer d. producer
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d. producer
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Consumers that eat both plants and animals are called
a. carnivores b. herbivores c. omnivores d. scavengers
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c. omnivores
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In which process do producers use carbon from carbon dioxide to produce other carbon-containing molecules? a. nitrogen cycle b. water cycle c. precipitation d. photosynthesis
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d. photosynthesis
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If a kestrel eats a mouse that eats grass, the kestrel is a(n)
a. second-level consumer b. decomposer c. first-level consumer d. producer
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a. second-level consumer
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What do producers release as a result of photosynthesis?
a. nitrogen b. hydrogen c. carbon dioxide d. oxygen
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d. oxygen
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Which of these is NOT an example of precipitation?
a. groundwater b. rain c. snow d. hail
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a. groundwater
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In an energy pyramid, which level has the most available energy?
a. second-level consumer b. third-level consumer c. producer level d. first-level consumer
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c. producer level
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The first organism in a food chain is always a(n)
a. producer. b. consumer. c. carnivore. d. herbivore.
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a. producer
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Organisms that were brought by humans from one part of the world to another are
a. native species b. parasites c. exotic species d. endangered species
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c. exotic species
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The typical weather pattern in an area over a long period of time is called
a. climate b. precipitation c. weather d. dispersal
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a. climate
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Some bacteria that fix nitrogen live in bumps on the roots of certain plants. These bumps are called
a. legumes b. starches c. nodules d. droplets
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c. nodules
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Vultures, which feed on the bodies of dead organisms, are
a. first-level consumers b. scavengers c. producers d. herbivores
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b. scavengers
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In which process do molecules of liquid water absorb energy and change into the gas state?
a. evaporation b. condensation c. precipitation d. recycling
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a. evaporation
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The ocean prevents the Australian kangaroo from dispersing throughout the world. The ocean is an example of which type of limit to dispersal? a. competition b. climate c. a physical barrier d. an exotic species
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c. physical barrier
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Which of the following is NOT an example of dispersal?
a. a squirrel living in a forest on a mountain b. a dog bringing home sticky plant burs on its fur c. an insect being carried down a river on a floating leaf
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a. a squirrel living in a forest on a mountain
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Organisms that capture the energy of sunlight to make food are called producers. A. True B. False
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A. True
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Second level consumers may be either carnivores or omnivores. A. True B. False
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A. True
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In an energy pyramid, the available energy increases at each feeding level compared to the level below. A. True B. False
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B. False
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Dandelions are a native species in the U. S
Dandelions are a native species in the U.S. because they were brought from Europe by the colonists. A. True B. False
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B. False
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