Comparing the Two Phylogenies Below, We Can Conclude That

question 37

Multiple Choice

Comparing the two phylogenies below, we can conclude that

• A) therians are more derived than platypuses.
• B) platypuses are the ancestor of therians.
• C) therians are more primitive than platypuses.
• D) the two phylogenies show the same evolutionary relationship.

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Definitions:

Schizophrenia

A mental disorder characterized by abnormal behavior, strange speech, and a decreased ability to understand reality.

Posttraumatic Stress Disorder

A mental health condition triggered by experiencing or witnessing a terrifying event, characterized by flashbacks, nightmares, severe anxiety, and uncontrollable thoughts about the event.

Typical Symptoms

Typical symptoms are the common signs or manifestations of a disease or condition that are frequently observed in affected individuals.

OCD

Obsessive-Compulsive Disorder, a mental health disorder characterized by unreasonable thoughts and fears (obsessions) that lead to compulsive behaviors.