Question 1: What have been some causes of extinctions in the history of life on earth? What5happens after mass extinction?
Question 2: Locate "neoteny" and "heterochrony" on the web; provide examples and relate them to this part of the course (evolution).
Question 3: What laboratory research has been done to examine the spontaneous development of early life forms or life-related molecules?
Question 4: How would you distinguish bryophytes from seedless vascular plants in their natural habitats?