Biology, 06.05.2020 19:09 maysahdabest
In the 1800s and early 1900s, many American ranchers and farmers moved west. They helped to settle the United States' western territories. The ranchers and farmers wanted to protect their families and livestock, so they killed many predators, including wolves.
Today, there are too many animals such as deer, which were previously hunted by wolves. Scientists are trying to decrease the number of these overpopulated animals by setting up protected areas for wolves to live.
How might this action affect western ecosystems?
A. This action will likely have no effect on western ecosystems.
B. The wolves will bring the deer's population down to a reasonable level.
C. The wolves will cause the deer to become extinct.
D. The wolves will cause western ecosystems to become polluted.
Answers: 2
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Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.
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In the 1800s and early 1900s, many American ranchers and farmers moved west. They helped to settle t...
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