A Phylogenetic Tree Grouping That Consists of a Common Ancestor

question 2

Multiple Choice

A phylogenetic tree grouping that consists of a common ancestor and all of its descendants is known as a ________ group.

• A) monophyletic
• B) paraphyletic
• C) polyphyletic
• D) polytomy

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Definitions:

Extinction

The process by which a conditioned response decreases or disappears after repeated exposure without the unconditioned stimulus.

Teaching Machines

Devices or computer programs designed for instructional purposes, enabling personalized pace and interaction for learning.

Immediate Reinforcement

The immediate reward or punishment following a behavior, which increases the likelihood of the behavior being repeated.

Respondent Behavior

A type of behavior that occurs as an automatic response to a specific stimulus, without voluntary control.