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Question
Which of the following best describes an invasive species?A) An invasive species is any non-native introduced species, whether it becomes established or not.
B) Non-native species become invasive when they become established in a new area, taking over niches that were already occupied by native species.
C) Dispersal, even if anthropogenic, is a normal biogeographic process and, therefore, no cause of alarm.
D) Approximately 90% of all introduced non-native species become invasive species.
Answer
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Related questions
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The basis for defining the length of a day is the fact that
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B) Earth moves through 365.25 days a year in its orbit about the Sun.
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B) Life processes generally are shaped to the abiotic spheres.
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Which of the following is true of the biosphere?
A) It is never referred to as the ecosphere.
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A) location
B) place
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A) place memorization.
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B) Mercator projection.
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A) that always corresponds to a great circle.
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A) representative fraction.
B) graphic scale.
C) written scale.
D) relative scale.
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The transformation of a spherical global to a 2D surface is a
A) diagram.
B) cone.
C) map projection.
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A) representative fraction.
B) graphic scale.
C) written scale.
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A) a small circle.
B) a great circle.
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D) a line of equal longitude.
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A) earlier than
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