AP Biology Sem 1: 3.1.8 Explore: The Last Universal Ancestor Exploration
Document Content and Description Below
AP Biology Sem Date: 1. Construct a phylogenetic tree to show the organization of Archaea, Bacteria, and Eukarya as described in the third paragraph of the article. Identify the n ode corresponding to... the universal common ancestor on your tree diagram. (4 points) 2. Based on your diagram from the previous question, explain the following statement: "If prokaryotes (Archaea and Bacteria) were on both sides of the primary phylogenetic divide, then 'prokaryote' was not a phylogenetically meaningful taxon." (2 points) 3. a. Describe the metabolic evidence that is inconsistent with the hypothesis that the universal ancestor was a simple cell with little or no intermediary metabolism. (2 points) b. Explain why the “totipotent ancestor” model fails. (2 points) 4. Explain the pivotal assumption that the author challenges. (2 points) 5. The author proposes a new model to describe the universal ancestor. a. Describe the model that the author develops to explain the nature of the evolutionary process that gave rise to the universal ancestor. Use a flowchart or other organizational method to aid your description if you find it helpful. (3 points) b. Describe the nature of the universal ancestor according to this model. (2 points) [Show More]
Last updated: 2 years ago
Preview 1 out of 2 pages
Buy this document to get the full access instantly
Instant Download Access after purchase
Buy NowInstant download
We Accept:
Reviews( 0 )
$5.00
Can't find what you want? Try our AI powered Search
Document information
Connected school, study & course
About the document
Uploaded On
Jul 19, 2021
Number of pages
2
Written in
Additional information
This document has been written for:
Uploaded
Jul 19, 2021
Downloads
0
Views
62
.png)
.png)
.png)
