Classification Review

1. What is taxonomy?

2. Give three reasons why is taxonomy important?

3. Who developed our current system of binomial nomenclature?

4. How are organisms named in this system?

5. Why is the use of scientific names important?

6. How did Linnaeus classify organisms?

7. What is phylogeny?

8. Why is phylogeny sometimes called the foundation of taxonomy?

9. What is binomial nomenclature?

10. How did Darwin's ideas affect classification systems?

11. Many of the classifications used by Linnaeus are still in use today, even though he did not know about evolution.  Explain why this is so.

12. How was the introduction of classification keys a major contribution to taxonomy?

13. How is a heterotrophic organisms different from an autotrophic one?

14. What things seem to be the most important for determining which kingdom an organism will be placed in?

15. How has technology affected classification?

16. How many categories are there in the modern classification system?  List them in order.

17. Related genera are grouped together in a _______.

18. Humans are members of which class?

19. What is the relationship between a family and an order?

20. In addition to physical appearance, what else do modern taxonomists consider?

21. Which kingdom contains prokaryotic organisms?

22. If two organisms are in the same phylum, they must also be in the same _______.

23. If two animals are in the same class, what other categories must they share?

24. What is the purpose of the classification key?

25. Explain how a classification key is organized?

26. Homo is to genus as sapiens is to _______ .

27. Panthera leo (lion), Canis latrans (coyote), Panthera tigris (tiger), and Procyon lotor (racoon) are all members of the order Carnivora.  Which two members are the most closely related?

28. To which of the five kingdoms does each of the following belong?
a) rose (b) Euglena (c) bald eagle (d) bacterium (e) mushroom (f) fern

29. Suppose you were a microbiologist who had just discovered a new organism. The organism was unicellular, lacked chloroplasts, and had no cell wall.  Which kingdom would you place it in?

30. Because the Amoeba belong to the kingdom Animalia, it must be
a) autotrophic and prokaryotic (b) heterotrophic and prokaryotic (c) heterotrophic and eukaryotic (d) autotrophic and eukaryotic

31. Complete the following table:

Characteristics Euglena Mushroom Crab Bread Mold E. coli Violet Paramecium Dog
Unicellular                
Multicellular                
Autotroph                
Heterotroph                
Organ systems                
Chlorophyll                
Cell walls                
Walls of cellulose                
Walls of chitin                
Organelles lack membranes