The Following Questions Refer to This Phylogenetic Tree, Depicting the Origins

question 32

Multiple Choice

The following questions refer to this phylogenetic tree, depicting the origins of life and of the three domains. Horizontal lines indicate instances of gene or genome transfer.

A possible phylogenetic tree for the three domains of life.
-If the early history of life on Earth is accurately depicted by the above figure, then which statement is least in agreement with the hypothesis proposed by this tree?

• A)The last universal common ancestor of all extant species is better described as a community of organisms, rather than an individual species.
• B)The origin of the three domains appears as a polytomy.
• C)Archaean genomes should contain genes that originated in bacteria, and vice versa.
• D)Eukaryotes are more closely related to archaeans than to bacteria.

Understand the effectiveness of interpersonal psychotherapy (IPT) in various age groups and mental health issues.

Compare IPT to other therapies in terms of effectiveness.

Identify the criticism and limitations of IPT and other therapeutic modalities.

Recognize the common problem areas addressed by IPT in treating depression among older adults.

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