The Following Questions Refer to the Evolutionary Tree in Figure

question 41

Multiple Choice

The following questions refer to the evolutionary tree in Figure 22.2.
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.

Figure 22.2
-How many separate species, both extant and extinct, are depicted in this tree?

• A) two
• B) three
• C) four
• D) five
• E) six

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Definitions:

Judgmental Tasks

Activities or assignments requiring evaluation, decision-making, or the formulation of opinions, often based on discerning and considering various pieces of information.

Decision-making Groups

Groups formed with the primary purpose of making decisions, usually within a business or organizational context, to solve problems or set strategies.

Information Sharing

The exchange of data, knowledge, and insights among members of a group or organization to facilitate collaboration and decision-making.

Hidden Profiles

A situation in decision-making groups where shared information is overemphasized while unique, critical information held by individuals is underutilized.