What Is True of the Cambrian Explosion

question 30

Multiple Choice

What is true of the Cambrian explosion?

• A) There are fossils of animals in geological strata that are older than the Cambrian explosion.
• B) Only the fossils of microorganisms are found in geological strata older than the Cambrian explosion.
• C) The Cambrian explosion is evidence for the instantaneous creation of life on Earth.
• D) The Cambrian explosion marks the appearance of filter-feeding animals in the fossil record.

Recognize when an argument uses categorical versus hypothetical reasoning.

Understand the implications of hypothetical conclusions in arguments.

Recognize the use of quantity words in forming categorical arguments.

Identify formalization options for given arguments.

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Definitions:

Collective Selection Model

A theorized model wherein group decisions emerge from the collective preferences and choices of individuals within the group.

Sociological Approach

A method of understanding society and human behavior through the examination of social structures, interactions, and systems.

Snob Effect

A phenomenon where the demand for a certain good increases as it becomes more exclusive or perceived as being more prestigious, contrary to the typical behavior predicted by the law of demand.

Elite

Elite refers to the group of people considered to be the best or most skilled in a society, or those holding the most power, wealth, or influence.