What Is True of the Cambrian Explosion

question 39

Multiple Choice

What is true of the Cambrian explosion?

• A) There are no fossils 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.
• E) Recent evidence supports the contention that the Cambrian explosion may not have been as "explosive" as was once thought.

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Definitions:

Personal Hygiene

Practices and habits aimed at maintaining the body's cleanliness and appearance for good health and social reasons.

Illegal Drug Use

The consumption of substances that are prohibited by law, which can include recreational drugs that are not sanctioned for use.

Household Chores

Routine tasks related to the maintenance and organization of the home, such as cleaning, cooking, and laundry.

Emerging Adulthood

A developmental phase ranging from the late teens to the mid-twenties, characterized by exploration and gradual assumption of adult roles.