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In some communities, forests are cleared through burning, and the deforested land is used for farming. Which of these is a negative consequence of this practice?
Human actions can lead to imbalances in ecosystems.
air pollution
decreased plant and animal diversity
increase in the number of homes built
Biodiversity would decrease, and sustainability would decrease.
weathering
all the organisms in the ecosystem
drying clothes on a clothesline on sunny days
Which of these living things in a grassland ecosystem depend on the presence of a variety of bacteria and other microorganisms in the soil?
Human actions can lead to imbalances in ecosystems.
air pollution
decreased plant and animal diversity
increase in the number of homes built
Biodiversity would decrease, and sustainability would decrease.
weathering
all the organisms in the ecosystem
drying clothes on a clothesline on sunny days
Which of the following will reduce a home electric bill?
Human actions can lead to imbalances in ecosystems.
air pollution
decreased plant and animal diversity
increase in the number of homes built
Biodiversity would decrease, and sustainability would decrease.
weathering
all the organisms in the ecosystem
drying clothes on a clothesline on sunny days
Domesticated rabbits from Europe were brought to Australia. The rabbit population increased so quickly that it caused severe damage to agriculture and the natural environment. Which statement is the BEST conclusion from these events?
Human actions can lead to imbalances in ecosystems.
air pollution
decreased plant and animal diversity
increase in the number of homes built
Biodiversity would decrease, and sustainability would decrease.
weathering
all the organisms in the ecosystem
drying clothes on a clothesline on sunny days
Nonnative plants can take over areas that were once populated by native plant species. Which abiotic process is LEAST likely to cause the invasion of nonnative plants?
Human actions can lead to imbalances in ecosystems.
air pollution
decreased plant and animal diversity
increase in the number of homes built
Biodiversity would decrease, and sustainability would decrease.
weathering
all the organisms in the ecosystem
drying clothes on a clothesline on sunny days
Deer are introduced into a grassland ecosystem and their population increases considerably. If the deer population continues to grow, which is the MOST likely outcome for the ecosystem?
Human actions can lead to imbalances in ecosystems.
air pollution
decreased plant and animal diversity
increase in the number of homes built
Biodiversity would decrease, and sustainability would decrease.
weathering
all the organisms in the ecosystem
drying clothes on a clothesline on sunny days
Coal is used for generating about 53% of the electrical energy in the United States. Which of these environmental issues is directly contributed to by the burning of coal?
Human actions can lead to imbalances in ecosystems.
air pollution
decreased plant and animal diversity
increase in the number of homes built
Biodiversity would decrease, and sustainability would decrease.
weathering
all the organisms in the ecosystem
drying clothes on a clothesline on sunny days
The Miami Blue butterfly is an endangered species in South Florida. Which factor has MOST likely caused the population decline of this butterfly?
Human actions can lead to imbalances in ecosystems.
air pollution
decreased plant and animal diversity
increase in the number of homes built
Biodiversity would decrease, and sustainability would decrease.
weathering
all the organisms in the ecosystem
drying clothes on a clothesline on sunny days
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