Of the Following Organisms, the Best Index Fossils Would Be

question 19

Multiple Choice

Of the following organisms, the best index fossils would be:

• A) bacteria, because they have existed in widespread geographic areas since life first began.
• B) a specific type of trilobite that existed for only a short geologic time in widespread geographic areas.
• C) cockroaches, because they have existed in widespread geographic areas almost since the first appearance of insects.
• D) a specific type of bryzoa that existed for only a short geologic time in very limited geographic areas.

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Definitions:

Kwashiorkor

Severe malnutrition caused by a protein-deficient diet, causing the feet and abdomen to swell with water.

Overweight Infants

Infants who have a body mass index (BMI) higher than the typical range for their age and sex, potentially leading to health risks.

Increased

Describes a quantity or factor that has become larger or greater in size, number, or intensity.

Left-Brain

Refers to the left hemisphere of the brain, traditionally associated with analytical thinking, logic, language, and mathematical abilities.