What Is Still Lacking in the Hypothesis of an Asteroid

question 49

Multiple Choice

What is still lacking in the hypothesis of an asteroid impact as the cause of the end-Cretaceous mass extinction?

• A) evidence for what caused such high species loss after the impact
• B) evidence that an asteroid hit Earth at the time of the extinction (65 million years ago)
• C) a convincing explanation of why mammals radiated after the event
• D) a complete explanation of why some lineages survived while others vanished

---

Definitions:

Interpreters

Professionals who convert spoken or sign language from one language to another, facilitating communication between people who do not share a common language.

Diagnostic Criteria

A set of standards and conditions that must be met for a particular disease or condition to be diagnosed.

Psychological Characteristics

Psychological characteristics encompass the various traits, behaviors, and cognitive patterns that describe an individual's mental processes and personality.

Behavior Characteristics

Traits or patterns of action or conduct that are typical of a person or group and can be observed in a specific context.