The Following Questions Refer to the Evolutionary Tree in Figure

question 9

Multiple Choice

The following questions refer to the evolutionary tree in Figure 22.2.
The tree's horizontal axis 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.


-Which of the five common ancestors, labeled V-Z, has given rise to the greatest number of species, both extant and extinct?

• A)V
• B)W
• C)X
• D)Y

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Definitions:

Pre-Training Interventions

Activities or strategies applied before training sessions to enhance learners' motivation and readiness for the training.

Team Roles

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An educational approach that engages students in the learning process through meaningful activities and encourages them to think about what they are doing.