1. CHAPTER 9 – POWERPOINT - ASSESSMENT Names: PER.

2. 1.What do we call the leftover remains of an organism? A: Picture example:

3. 2. What are two types of body parts that make good fossils? A: Picture example:

4. 3. Why could we NOT find fossils from over 4 Billion Years Ago? A: Picture example:

5. 4.What is the name of the idea that the Plates move on top of the mantle? A: Picture example:

6. 5. What is this picture illustrating? A: 6. IS THIS an example of UNIFORMITARIANISM OR CATASTROPHISM? A:

7. 7. What is some EVIDENCE from animals & plants that shows us that the continents used to be together in Pangaea? A:

8. 8. Name of the 4 ERAS of Earth’s History A: #1 – (oldest) #2 – #3 – #4 – (present day)

9. 9. WHY do scientists start new eras with new names? (precambrian  paleozoic  mesozoic….etc.) What happens in life history to cause a “new” era to start? A: Picture example:

10. 10. Why was the ozone layer important for life to come onto land 500 million years ago? A: 10B. What living organism created the ozone layer? A:

11. 11. Name the ERA for the following: (precambrian/ paleozoic/ mesozoic/ cenozoic) a)First Life on Earth = b)Dinosaurs living = c)Humans living = Picture example:

12. CONCLUSIONS: (one paragraph)