Several Ecology Students Were Tracking the Population Ranges of Two

question 79

Multiple Choice

Several ecology students were tracking the population ranges of two species of squirrels that live in the Cascade Range of Oregon. These students noted that when both species of squirrels were present in a region, species A could be found from sea level to about 900 feet above sea level, and species B could be found from about 900 feet to 1,500 feet above sea level. However, when species B was found alone, it had a range of about 500 feet to 1,500 feet above sea level. This is an example of

• A) predator avoidance.
• B) coevolution.
• C) habitat fragmentation.
• D) parasitism.
• E) competitive exclusion.

---

Definitions:

Depreciation Schedule

A table detailing the periodic depreciation expense of an asset over its useful life.

Worksheet

A document that accountants use for planning and preparing adjustments, showing the results of those adjustments before preparing financial statements.

Worksheet

A document used by accountants to gather information for adjusting entries and to prepare financial statements.

Asset Expires

Refers to the expiration or depletion of the useful life or service period of an asset, at which point it may no longer be productive or useful for the business.