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The rusty crayfish is harmful to native species of crayfish because it clear cuts the bottom of waterways leaving native species without a food supply.
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Updated 23 days ago|11/28/2014 2:33:14 PM
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The rusty crayfish is harmful to native species of crayfish because it clear cuts the bottom of waterways leaving native species without a food supply. This is True.

Added 23 days ago|11/28/2014 2:33:12 PM
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Which of the following is not true concerning the zebra mussel in the United States? a. It was introduced accidentally. b. It was first introduced in the Great Lakes. c. It is still spreading throughout the United States. d. It can be eliminated from a river with minimal effort.
Weegy: d. It can be eliminated from a river with minimal effort, is not true concerning the zebra mussel in the United States. User: Why are cane toads in Australia considered an invasive species rather than simply nonnative? a. They are destructive to native species and have no natural predators. b. They reproduce more quickly than native species. c. They have venom glands. d. Large adult specimens are able to hunt snakes Weegy: c. They have venom glands. d. Large adult User: Which of the following is an example of mechanical control of nonnative species? a. pesticides b. herbicides c. net barriers d. inspections Weegy: The answer is c. net barriers User: Which of the following is true concerning hull fouling from commercial shipping and recreational boating? a. It constitutes less than half of all nonnative species introductions. b. The revenue brought in from these industries is relatively small. c. It is difficult to prevent since ship hulls begin, conduct, and end voyages in water. d. It is best combated by chemical treatments Weegy: This statement is true concerning hull fouling from commercial shipping and recreational boating, c. It is difficult to prevent since ship hulls begin, conduct, and end voyages in water. User: Why has the spread of the herbicide-resistant hydrilla through Florida’s waterways resulted in them no longer being navigable by most boats? a. Thy hydrilla has induced a drought that drained the waterways. b. The weed clogs propellers that boats use for propulsion. c. The sticky leaves of the weed hold boats in place. d. All of the above Weegy: Thy hydrilla has induced a drought that drained the waterways. (More)
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Asked 9/3/2013 7:13:12 AM
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Which of the following is the most serious effect of water pollution for humans? a. infectious diseases b. algal blooms c. toxic food chain effects d. low-oxygen water
Weegy: Answer: The most serious effect of water pollution for humans is a. infectious diseases can spread through polluted drinking water. [ Cholera is a bacterial disease endemic in these situations. ] (More)
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Asked 9/3/2013 8:02:51 AM
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Which of the following practices could help reduce erosion of water banks? a. buffer strips b. natural fertilizers and pesticides c. decrease in fossil fuel emissions d. all of the above
Weegy: The answer is d. all of the above. Buffer strips, natural fertilizers and pesticides and decrease in fossil fuel emissions are practices that could help reduce erosion of water banks. (More)
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Asked 9/5/2013 6:47:22 AM
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Which of the following practices could help reduce erosion of water banks? a. buffer strips b. natural fertilizers and pesticides c. decrease in fossil fuel emissions d. all of the above
Weegy: The following practices could help reduce erosion of water banks: a. buffer strips (More)
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Asked 9/5/2013 6:48:02 AM
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