130 Study Guide - Final Guide: Red Algae, Cambrian Explosion, Charophyta
11 Nov 2016
School
Department
Course
Professor
Document Summary
Chapter 25: the history of life on earth pg 569: fossilized stromatolites. Resemble structures formed by bacterial communities that are found today in some warm, shallow, salty bays. Which factor most likely caused animals and plants in india to differ gently from: india was a separate continent until 45 million years ago factors. Adaptive radiations can be a direct consequence of four of the following five: genetic drift. Which of the following steps has not yet been accomplished by scientist studying. Formation of molecular aggregates with selectively permeable membranes the origin of life. Protocells: droplets with membranes that maintained an internal chemistry different from that of their surroundings. Earth formed 4. 6 billions of years ago; the first genetic material may have been short pieces of rna capable of guiding polypeptide synthesis and self replication. early protocells containing such rna would have increased through natural selection.
