A Geologist Observes Abundant Fossils of a Distinctive Trilobite Species

question 64

Multiple Choice

A geologist observes abundant fossils of a distinctive trilobite species in a shale,but this trilobite disappears as she walks through the shale.In younger rocks,just above the horizon where the fossil disappears another species of trilobite becomes the prominent fossil in similar shales.Which conclusion is most logical for this observation?

• A)The organisms whose remains form the first fossil moved from the area for unknown reasons.
• B)A hurricane or other catastrophe killed all of the early species so the other species could move in.
• C)The second,trilobite group in the upper section went extinct where the change in fossils is seen.
• D)The first trilobite species went extinct and its ecological niche was occupied by another species,which may have evolved from the first.

Understand the concept of the production possibilities curve and its implications for economic efficiency and growth.

Recognize the impact of historical events, like the Black Plague, on economic structures and production capabilities.

Identify how technological progress and legal system improvements affect economic growth and the production possibilities curve.

Analyze the role of entrepreneurs in economic development and the process of creative destruction.

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Definitions:

Symptoms

Signs or indications of a disease, disorder, or condition.

Psychological Dynamics

The interplay of various psychological forces or processes underlying human behavior and mental states.

Socialised

The process of learning and adopting the norms, customs, values, and roles appropriate to one's society or social group.

Cultural Group

A collection of people who share common cultural characteristics, such as language, values, customs, or practices.