BCH190 The Way We Work With Life
Study Guide Quiz 03, 2006

1. Water is important to life on earth because


2. ‘Life’ is said to be opportunistic and is present in nearly every environment on the planet because


3. Complex biological structures like the horn of a ram, a chambered nautilus shell or a growing plant tendril seem complex but are actually the result of


4. A common feature of life on earth is the occurrence


5. Rachel Carson is famous as the author of ‘Silent Spring’ (1962) which discussed the broad effects of the insecticide DDT on the ‘web of life’. A coral reef is another good example that:


6. A cellular structure that captures sunlight to produce sugar is called a:


7. Life on this planet could not have existed before plants because they make oxygen and all life on earth is dependent on oxygen.


8. The breakdown of sugar molecules into energy and carbon dioxide is called:


9. To exist, life requires organization and organization requires energy, which means that life’s molecules breakdown over time. Literally you are not the ‘same’ person you were seven years ago, or even seven days ago. Life maintains itself by the process of:

10. Biological life tends to:


11. The flow of information in biological life is generally from:


12. Life competes within a cooperative framework where


13. All energy for biological life on earth


14. Mitochondria


15. Critics of evolution state that that it is not possible since it disobeys the second law of thermodynamics. The tendency of energy to dissipate as described by the second law of thermodynamics is called:


16. It can be said that all life on this planet runs on sugar. Sugars are simple energy packed molecules that are made by plants. All other organisms on the planet depend on plants. Photosynthesis


17. The flow of information in biological life on earth:


18. Consider a face: it is comprised of a community of cells. Its basic features change very little over a year, yet in that time most of the original cells and all the molecules will be replaced. The ‘fabric’ changes but not the pattern. This is explained by the process of



19. A cellular structure which contains most of a cell's DNA in animals, fungi or plants:


20. The energy flow through life on earth starts with: