As Hawaiian Lava Flows Age Over 4 Million Years

question 5

Multiple Choice

As Hawaiian lava flows age over 4 million years,

• A) total soil phosphorous levels decrease.
• B) total soil phosphorous levels increase.
• C) total soil phosphorous stays about the same, but more phosphorous becomes refractory.
• D) total soil phosphorous stays about the same, but more phosphorous becomes weatherable.
• E) phosphorous limitation of primary production becomes less important.

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Definitions:

Reinforcer Stimulus

A stimulus that increases the likelihood of a behavior by providing a rewarding outcome.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without prior conditioning or learning.

Loud Noise

A sound that is strong and high in volume, which can potentially cause hearing loss or damage after prolonged exposure.

White Rat

Commonly used laboratory animals in psychological and medical research, known for their genetic uniformity and ease of handling.