Discuss connection between cyanobacteria, the build up of oxygen in Earths early atmosphere and the endosymbiosis theory.
Show film over how fossils are collected and studied to figure out clues to history of life.
Homework: Read/re-read chapter 14. Be sure to study pictures and captions. Focus on historical experiments in section 14.2.
Give notes over section 14.2. Discuss main concepts
Available for download on this blog.
Homework: Study notes given in class today.
Students will view educational film on origins of life off of PBS online at:
Link will be provided under Project Share Lessons for Biology for students who are absent.
Lab investigation: Determining a Rock’s Age. Lab is on pages 386 to 387 of text book. Students will model the radioactive decay of an element to determine the half life of a radioactive element.
Homework: Study chapter 14 notes.