How Could You Tell for Certain If a Plant Lived

question 5

Multiple Choice

How could you tell for certain if a plant lived 2,000 years ago in a pond sediment sample?

• A) carbon dating of pollen
• B) tree rings
• C) construction of a pond followed by direct observation.
• D) observation of a chronosequence near the pond

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Definitions:

Breathing

The physical process involving the inhalation and exhalation of air, essential for life.

Prophylactic

Preventing disease.

Poison

A substance that, if taken internally or applied externally, is a threat to life.

Hypoglycemia

A condition characterized by an abnormally low level of glucose (sugar) in the blood, often leading to symptoms such as shakiness, sweating, and confusion.