I really want to get rid of these swamps so your help is highly appreciated. Thank you so much... Describe the Miller-Urey experiment. Which gas they...

I really want to get rid of these swamps so your help is highly appreciated. Thank you so much...

1. Describe the Miller-Urey experiment. Which gas they did not include in the primitive atmosphere?
2.  Review the history of earth and answer when the following items emerged with approximately time.

(a)  Modern human —

(b) First photosynthetic cell —

(c)  Age of the earth —

 (d) First cell —

(e)  First eukaryote —

(f)  The time the organisms diverged more rapidly and became very complex —

3. What is natural selection?

4. How is Lamarck's idea on evolution different from Darwin's?

5. What are some of the evidences for natural selection?

6. What is the difference between convergent evolution and divergent evolution? Give an example of each

7. What are some of the factors that can influence evolution?

8. What is the difference between gene flow and genetic drift?

9. What is the prezygotic barrier? What are some of the mechanisms?

10. What is the postzygotic barrier? What are some of the mechanisms?