Some Fossil Species Are of Little Value to Geologists for Correlation

question 11

Multiple Choice

Some fossil species are of little value to geologists for correlation because:

• A) they existed for a short period of geologic time
• B) they were widespread
• C) they existed for a long period of geologic time

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Definitions:

Tetanus

A bacterial infection characterized by muscle spasms, often starting in the jaw, due to toxins produced by Clostridium tetani.

Sarcoplasm

The cytoplasm of a muscle fiber, containing the cellular components necessary for muscle contraction.

Muscle Tone

The continuous and passive partial contraction of muscles, which helps maintain posture.

Constant Tension

A state in which a muscle remains at a singular tension level without shortening or lengthening significantly.