1) Why are Predators important?   2

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1) Why are Predators important?  

2. How can natural selection explain the origin of new species and higher orders of life?

3. What is the importance of keystone specie? Give examples

4. What are emergent diseases? Give a few examples, and de- scribe their cause and effects.

5. How do bacteria acquire antibiotic resistance? How might we prevent this?

6. Describe the rock cycle and name the three main rock types that it produces