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Assignment 8 First Life part 1
GSC 2700
Homework: “First Life”
Watch the first episode of David Attenborough’s 2013 documentary series, “First Life”, part 1. The video is at: https://www.youtube.com/watch?v=3enM7iGfIscAs you watch it, answer the questions below:
- Where were the very oldest fossils in Leicestershire, England found?
- What did Charnia look like? Sketch a picture of it.
Answer: Please see image below.
- How many hours were there in a day when the first life appeared 3.5 billion years ago?
- What are the odd stones in the rocks of eastern Canada called? How did they get there?
- What kind of life is found living in glaciers?
- What caused the end of the “Snowball Earth”? How did it affect life?
- What did cyanobacteria do to the atmosphere that made animal life possible?
- What “sticky tape” protein holds sponges together? In what kingdom of life is it found?
- How did Mistaken Point, Newfoundland, get its name? Why is it so important to understanding early life?
- How did the fossils at Mistaken Point get preserved?
- How did the creatures of Mistaken Point and Charnwood Forest get their nutrients, since they were in water too deep for light and photosynthesis?
- How are the fossils from the Ediacara Hills more advanced than those from Mistaken Point?
- How was Spriggina more advanced than other fossils of the Ediacaran?
- How is sex important to evolution?
- How do corals reproduce?
- How does the synchrotron microscope allow us to better understand tiny fossil embryos?
Assignment 8 First Life part 1 Answer
Answer: Charnwood forest
Answer: 6 hours
Answer: Drop stones and it got there as these were transported by glaciers as the ice moved off the land, floated out over the sea, melted, and eventually, these drop stones fell into the sediments on sea floor.