Croll Et Al

question 33

Multiple Choice

Croll et al. studied the effects that long-term inhabitation of artic foxes had on the ecosystems of the Aleutian Islands. Based on their findings, which of the following statements is true?

• A) Accumulation of guano on the island was not influenced by the introduction and long-term inhabitation of artic foxes.
• B) The nitrogen content in the seabirds' guano increased in response to predation.
• C) A reduction in the quantity of guano released on the islands inhabited by artic foxes resulted in an ecological shift from grasslands to more shrubs and forbs.
• D) Croll et al. concluded that while artic foxes reduced the number of seabirds on the islands, they did not cause the alteration of island ecosystems where they lived.

---

Definitions:

Autonomy

The right or condition of self-governance, or making one's own decisions without interference from others.

Choices

The act of making a decision or selection among different options or possibilities in various contexts.

Hypothetical Imperative

A command of reason that applies conditionally, suggesting an action to achieve a specific end, as opposed to a categorical imperative which is unconditional.

Humanity

The collective human race or the qualities, such as compassion and kindness, that are considered characteristic of humans.