Birds,snakes,lizards,turtles,and Crocodiles Are All Thought to Share a Common Ancestor

question 50

Multiple Choice

Birds,snakes,lizards,turtles,and crocodiles are all thought to share a common ancestor and several homologous traits.Assuming that this is true,these groups of animals and their common ancestor would represent

• A)a polyphyletic group.
• B)a monophyletic group.
• C)homoplastic convergence.
• D)an outgroup.
• E)a species cluster.

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Definitions:

Dopamine

A neurotransmitter involved in regulating mood, motivation, and reward.

Dissociative Fugue

A rare psychological state in which a person temporarily loses their sense of personal identity and impulsively wanders or travels away from their usual surroundings.

Dissociative Amnesia

Psychological disorder that involves disruptions of memory for personal facts or loss of conscious awareness for a period of time.

Dissociative Identity Disorder

A severe form of dissociation, a mental process which produces a lack of connection in a person's thoughts, memory, and sense of identity, formerly known as multiple personality disorder.