1. Which theory on the Origin of Life believes that life came from life?

2. The photosynthetic bacteria are called

3. Life forms are slowly and have apparently been changing since Earth formed. This is expressed in the theme on

4. It is the process of converting light energy into glucose is

5. The process by which all living things use energy to grow and perform life functions is

6. A group of interacting organisms and their physical environment is called

7. Which of the following is considered as the first life form that existed on earth?

8. How was the atmosphere in the early state of the Earth's formation described?

9. These are cracks in the earth's surface particularly in the ocean floor, where very hot water from the earth's interior can escape in these places, in which scientists believe that the first life forms originated.

10. Which shows the correct sequential arrangement of the biological hierarchy from the smallest level the the largest. (Word pool) ecosystem community organ cell tissue biosphere organism organ system atom population molecule