In Queensland, Australia, cactus moths ________
A) effectively cleared non-native prickly pear cactus from rangeland
B) are raised as a food source by native Aborigines
C) are an invasive species
D) are examples of species that have developed resistance to pesticides
E) are a keystone species
A
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Over 25% of all U.S. municipal solid waste consists of ________
A) wastes that would be classified as hazardous B) paper C) yard trimmings D) plastics and metals
What happens to the mRNA when it binds to the two ribosomal bodies?
A) Nothing, it retains its original three-dimensional shape. B) It forms a double helix. C) It is stretched out. D) It splits into two parts, each of which is associated with a ribosomal unit.
A strong El Niño is characterized by ________.
A. the arrival of warm ocean water to Peru and Ecuador near Christmastime B. a southern jet stream branch that flows eastward bringing higher rainfall to the southeastern United States and helping break apart Atlantic and Caribbean storms resulting in fewer hurricanes C. high atmospheric pressure over the eastern Pacific Ocean resulting in trade winds that blow toward the equator from the north and south D. heavy rainstorms in the western United States E. All of these choices are correct.
What features are predicted to form near the western coast of the continent?
A. hot spot B. magmatic belt from subduction C. passive margin