In 1878, Seal Hunters Introduced Rabbits to Macquarie Island, Between

question 12

Multiple Choice

In 1878, seal hunters introduced rabbits to Macquarie Island, between Australia and Antarctica. The rabbit population soared and the Myxoma virus was then introduced to kill off rabbits. It worked, but the islands' cats, which had depended on the rabbits for food, began eating seabirds instead. To save the seabirds, scientists started a program to kill off the cats. Twenty-four years later, in 2009, the rabbit population had exploded again, and rabbits were ravaging native plant species and devastating the island's ecosystem. This story appears to be an example of

• A) sound, responsible ecological management.
• B) unintended ecological consequences.
• C) predictable but unavoidable consequences.
• D) a series of catastrophes resulting from random chance.

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Definitions:

Population Means

The average value of a particular characteristic within a total population.

Credit Purchases

Transactions where goods or services are bought using credit rather than cash or debit, to be paid off at a later date.

Confidence Interval

A collection of values, sourced from statistical study of a sample, likely holding the unknown quantity of a population parameter.

Degrees Of Freedom

The number of independent values or quantities that can vary in the analysis without violating any constraints.