The biggest problem with invasive species is that in the new location, they ____.
A. are always bigger than native species
B. have no population controls such as predators
C. are always stronger than native species
D. have higher reproductive rates than native species
E. evolve more quickly than native species
Answer: B
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Judge the following sentence according to the criteria given below: The net result of an increase in atmospheric moisture should be a decrease in air temperature BECAUSE the higher reflectivity of clouds dominates over the heat absorption of water
vapor in the atmosphere. A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.
The southern sea otter population, although hunted to near extinction, recovered during the years
a. 1850 to 1900 b. 1900 to 1938 c. 1938 to 2010 d. 1938 to 1968 e. 1948 to 1988
The Gender Inequality Index in East Asia is comparable to that of developed regions
Indicate whether the statement is true or false.
The two groups of ungulates, based on eating styles, are _______ and ________. Fill in the blank(s) with the appropriate word(s)