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

question 54

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.

Figure 26.4. A possible phylogenetic tree for the three domains of life.
-Which portion of Figure 26.4 may ultimately be better depicted as a "ring"?

• A) the bacterial lineage
• B) the archaean lineage
• C) the eukaryotic lineage
• D) the trunk of the tree
• E) the part corresponding to the first living cell on Earth

---

Definitions:

Tone Of Voice

The particular quality, pitch, and attitude in which something is said, reflecting the speaker's feelings or intentions.

Readability Of A Document

Refers to how easily a document can be read and understood by its intended audience, often measured by factors such as sentence length, vocabulary, and structure.

Audience's Reading Level

The literacy level or reading capability of the intended recipients of a text, influencing the complexity and style of the written content.

Research Phase

The initial stage in a project or study where information is gathered and analyzed to understand a problem or topic better.