A) Because trees are a major sink for atmospheric carbon, fewer trees will result in less carbon being removed from the atmosphere for photosynthesis.
B) As trees are removed, there is more room for carbon to enter the soil directly and be used by other plants.
C) The large-scale removal of forests does not have any real effect on atmospheric carbon, because carbon dioxide is not stored in trees.
D) Because trees produce carbon dioxide, the amount of carbon in the atmosphere will decrease with their wide-scale removal.
F) B) and D)
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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 hunts and eats a fly.
D) The longest tapeworm removed from a human was approximately 11 meters long. Tapeworms do not have a digestive system, but obtain all of their nutrients from the host.
E) Pseudoscorpions are small, harmless arachnids. To move from one place to another, they will sometimeslatch onto the legs of flies and thus be carried long distances that they would not readily be able to traverse.
G) C) and D)
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A) nitrification
B) decomposition
C) denitrification
D) nitrogen fixing
E) nitrogen incorporation
G) C) and D)
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A) desert & taiga
B) rainforest & desert
C) desert & temperate forest
D) temperate grasslands & desert
E) temperate forests & rainforests
G) A) and B)
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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.
G) A) and D)
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A) Box A
B) Box B
C) Box C
D) Box D
E) Box E
G) B) and E)
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A) the largest species in a community.
B) the most numerous species in a community.
C) the least numerous species in a community.
D) a species on which many other species depend.
E) the species that occupies most of the niches within a particular environment.
G) B) and C)
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A) an equilibrium species.
B) long-lived.
C) able to produce numerous offspring.
D) a secondary consumer.
E) slow to reach sexual maturity.
G) B) and C)
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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
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 hunts and eats a fly.
D) The longest tapeworm removed from a human was approximately 11 meters long. Tapeworms do not have a digestive system, but obtain all of their nutrients from the host.
F) A) and C)
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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 hunts and eats a fly.
D) The longest tapeworm removed from a human was approximately 11 meters long. Tapeworms do not have a digestive system, but obtain all of their nutrients from the host, which can cause problems for the host especially if he or she is undernourished.
F) All of the above
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A) a biogeochemical cycle.
B) reservoirs.
C) eutrophication.
D) global warming.
E) nitrogen fixing.
G) A) and B)
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A) zebras and the lions that prey on them
B) a coral reef together with all the fishes and invertebrates living in and around it
C) flowering plants and all the insects and birds that pollinate them
D) male prairie chickens competing for access to mates
E) rabbits eating carrots
G) A) and E)
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A) The seeds of large plants were never dispersed into these regions.
B) The amount of sunlight is not great enough for large plants to survive.
C) The amount of rainfall is not enough for large plants to survive.
D) The other species of plants have outcompeted them for resources.
E) The permafrost persists, even during the summer.
G) C) and E)
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A) autotrophic consumer
B) autotrophic producer
C) heterotrophic decomposer
D) detritivore
E) heterotrophic consumer
G) A) and C)
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A) autotroph.
B) consumer.
C) heterotroph.
D) decomposer.
E) omnivore.
G) All of the above
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A) daddy-long-legs, a type of arachnid that eats dead and decaying matter
B) marine filter-feeders that have long tentacles to filter food particles from the water
C) a starfish which is able to evert its stomach to break open and eat clams
D) a vulture feeding on a dead carcass
E) a tick that attaches to a deer and sucks its blood
G) A) and E)
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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.
G) A) and B)
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A) Producers absorb solar energy.
B) Producers are eaten by the herbivores.
C) Decomposers break down the organic matter and make it available for the producers.
D) Top-level carnivores eat the herbivores or omnivores within the ecosystem.
E) Producers absorb nutrients from the soil.
G) D) and E)
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