The Following Questions Refer to the Evolutionary Tree in the Figure

question 53

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.

In Darwin's tree of life, each fork in the tree represents ________.

• A) groups of living organisms
• B) groups of extinct organisms
• C) the most recent common ancestor of the subsequent branches
• D) morphologic gaps in the fossil record

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Definitions:

LMX Theory

Stands for Leader-Member Exchange Theory, a concept emphasizing the dyadic relationships between leaders and individual members and how these affect performance and outcomes.

In-group Relationships

Close connections and interactions within a group where members share common interests or identities.

Characteristics

Traits or attributes that distinguish an individual, group, or thing from others.

Leader-member Exchanges

The quality of the relationship and interaction between leaders and their followers, impacting organizational dynamics.