Which of the Following Statements About Lichenometry Is NOT True

question 48

Multiple Choice

Which of the following statements about lichenometry is NOT true?

• A) Lichen dating is calibrated for an area by observing lichens on surfaces of known ages such as old tombstones.
• B) Lichen dating is accomplished by counting the number of lichen colonies growing on the surface of a rock.
• C) Lichenometry is useful for dating young glacial deposits, rockfalls, and mudflows.
• D) Lichen dating is useful only for surfaces younger than about 9000 years.

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Definitions:

Epithelial Cells

Cells that line the surfaces of the body, including the skin, blood vessels, urinary tract, and organs, serving as a barrier and involved in absorption and secretion.

Connective Tissue

Tissue that supports, binds together, and protects organs, including blood, bone, and cartilage.

Blood

A fluid in the bodies of humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away.

Evolutionary Constraints

Limitations on the course or outcome of evolutionary changes; these can be due to physical, genetic, or environmental factors.