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?

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Definitions:

Satisficing

A decision-making strategy that entails choosing an option that meets a minimum standard of satisfaction or acceptability, rather than pursuing the best possible outcome.

Bias

Prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair.

Anchoring And Adjustment

A cognitive bias in which an individual relies too heavily on an initial piece of information (anchor) to make subsequent judgments or decisions.

Availability

The state of being readily obtainable or accessible when needed or desired.