The Following Questions Refer to the Evolutionary Tree in the Figure

question 45

Multiple Choice

The following questions refer to the evolutionary tree in the figure below.
The horizontal axis of the cladogram depicted below is a timeline that extends from 100,000 years ago to the present; the vertical axis represents nothing in particular. The labeled branch points on the tree (V-Z) represent various common ancestors. Let's say that only since 50,000 years ago has there been enough variation between the lineages depicted here to separate them into distinct species, and only the tips of the lineages on this tree represent distinct species.

-Evolutionary trees such as this are properly understood by scientists to be ________.

• A) theories
• B) hypotheses
• C) dogmas
• D) facts

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Definitions:

Team

A group of individuals working together towards a common goal or objective.

Solve

The act of finding a solution to a problem or challenge.

Demote

The action of reducing someone's rank or position, usually as a disciplinary measure or organizational restructuring.

Lower-level Position

A job role that typically requires less experience and responsibility within the organizational hierarchy.