On a Phylogram, What Do Branch Lengths Represent

question 16

Multiple Choice

On a phylogram, what do branch lengths represent?

• A) the passage of time
• B) the amount of evolutionary change
• C) how many speciation events have occurred
• D) the rate of extinction

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Definitions:

Immediate Comforts

Immediate or short-term pleasures or alleviations of discomfort that may not necessarily contribute to long-term well-being.

Human Nature

The innate characteristics, behaviors, and qualities that define humans, including both biological and psychological aspects.

Altruistic

Showing selfless concern for the well-being of others; often characterized by behavior that benefits others at a personal cost.

Political Decisions

Choices or judgments made by individuals or groups related to the governance of a country, state, or community.