How has the vegetation in your area been changed by human activities in the past 100 years? Have these changes caused any plants or animals to become extinct or to be placed on the endangered species list? If so, what is being done to protect them
or restore their habitat?
In many parts of the United States, deforestation has been a major contributor to vegetation change. Deforestation may have been caused by logging, agriculture, or settlement expansion (or a combination). Many plants and animals have become extinct—or threatened—in the United States; these may have resulted from habitat loss or over-hunting. Different attempts have been made to reestablish threatened wildlife, for example, including breeding programs. Students should be encouraged to contact local museums, conservation areas, or zoos for additional information.
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Which of the following would produce a frameshift mutation?
A. the insertion of a single nucleotide in a gene B. the deletion of a single nucleotide in a gene C. the replacement of one nucleotide with another in a gene D. both A and B
According to your textbook, how and why has American football become important to many Pacific Islanders?
What will be an ideal response?
The definition of the word monsoon means:
A) torrential rainfall. B) rainy season. C) seasonal wind shift. D) moisture-laden air.
In December 2016, nuclear fission power plants in the entire world numbered a little less than
A. 450. B. 40,000. C. 44. D. 5,000.