Based on the FUNCTIONAL Characteristics of the Cyanobacteria and Proteobacteria

question 30

Essay

Based on the FUNCTIONAL characteristics of the Cyanobacteria and Proteobacteria phyla, which phylum do you think is more deeply rooted in the tree of life (i.e., which phylum branches off closer to the last universal common ancestor)? Use at least two pieces of evidence to support your answer. How could you test your hypothesis?

---

Definitions:

Jargon

Specialized language or terms used by a particular group or profession, often difficult for outsiders to understand.

Grammar

The set of rules that govern the structure of sentences in a language, including syntax, punctuation, and word usage.

Credibility

The quality of being trusted and believed in, often earned through consistency, reliability, and integrity in one's actions or information.

Professionalism

The conduct, aims, or qualities that characterize or mark a profession or professional person; it often includes expertise, ethics, and dedication.