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

question 74

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.

-If the early history of life on Earth is accurately depicted by this phylogenetic tree, 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 impact of historical and contemporary racial discrimination in shaping social and institutional practices.

Discuss the complexity of identifying and acknowledging personal privileges.

Appraise the influence of media and technology in propagating racial ideologies.

Explore legal and policy dynamics in the context of racial discrimination and equality efforts.

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Definitions:

Bipolar II

A bipolar disorder characterized by patterns of depressive episodes and hypomanic episodes, but not the full-blown manic episodes that are typical of Bipolar I.

Heroin

An opioid drug derived from morphine, highly addictive and illegal, commonly associated with serious public health issues.

Morphine

An opioid medication derived from the opium poppy, used primarily to relieve severe pain by directly acting on the central nervous system.

Peyote Plant

The Peyote Plant is a small, spineless cactus with psychoactive alkaloids, most notably mescaline, used primarily in Native American ritual contexts.