In the Section "Investigating Life: Genetic Messages from Ancient Ecosystems

question 6

Multiple Choice

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems," what was the advantage of looking for DNA samples in permafrost?

• A) Most plants and animals evolved in Siberia.
• B) It is easier to take solid core samples.
• C) The enzymes that make DNA are still active in the cells.
• D) The freezing temperatures preserve the DNA.
• E) Areas with permafrost are older than other parts of the world, allowing scientists to collect samples back 1.5 to 2 million years.

---

Definitions:

Talk Most

An observational phenomenon where the person who talks the most in a group is often perceived to be the leader or most influential member, regardless of the quality of their contributions.

High Quality

Characterized by superior standards, excellence, or craftsmanship in the delivery of a specific product, service, or performance.

Agentic Leader

An individual who actively takes initiative, makes decisions, and motivates others toward achieving group or organizational goals.

Communal Leader

A person who holds a leadership position within a community, guiding and representing communal interests.