Which Statement About the Amphibians That Colonized the Area Around

question 16

Multiple Choice

Which statement about the amphibians that colonized the area around Mount St. Helens after the eruption is true?

• A) The frog Rana cascadae was the most important animal ecosystem engineer in the community.
• B) Frogs and salamanders started to colonize the area within the first few years of the eruption.
• C) By the year 2000, the species diversity of amphibians had reached pre-eruption levels.
• D) Both a and b

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Definitions:

Raven's Progressive Matrices

A non-verbal test used to measure abstract reasoning and considered a non-verbal estimate of fluid intelligence.

WAIS-III

The third edition of the Wechsler Adult Intelligence Scale, an IQ test designed to assess cognitive ability in adults.

WISC-IV

The Wechsler Intelligence Scale for Children-Fourth Edition, a tool designed to measure cognitive ability in children between the ages of 6 and 16.

Factual Information

Data that is based on real, observable events or objects, confirmed to be true through evidence.