Use paper and pencil to answer the following. We did this in class

1. The branch of biology that groups and names organisms is called ________________.

2. Linnaeus’s system of classifying that includes grouping organisms in taxonomic levels and giving each a TWO PART scientific name.  


3.  The scientific name for this animal is written:

          A. Panthera Leo

          B. panthera Leo

           C. Panthera leo

           D. Panthera leo

4. To which SPECIES do lions belong?  

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Image from:
5. This diagram that shows evolutionary relationships is called a _______________.

6. The characteristics used to group organisms in this diagram such as jaws, lungs, claws or nails, fur, and feathers are called ____________________________.

7. The taxonomic level that is larger than kingdom is _____________.

8. Name the 7 taxonomic levels in Linnaeus’s hierarchy in order from largest to smallest.

9. An organism’s evolutionary history = ____________________  

10. Which part of a scientific name is always capitalized?


11. This method of comparing the DNA sequences of organisms to estimate how long ago they have been separated is called a


12. Which of the organisms in this diagram do you think are the most closely related?  


Image from: BIOLOGY by Miller and Levine; Prentice Hall Publishing; ©2006


Image from:
13. Which of these original 5 kingdoms has been split into 2 bacterial kingdoms?  

14. Name the two kingdoms it has become.  

15. Organisms are grouped into DOMAINS based on _____________________.

16. Which DOMAIN includes all the living things that have a nucleus in their cells?

17. Name the Kingdom that includes unicellular prokaryotes WITHOUT peptidoglycan in their cell walls that live in extreme environments.

18. Name the Kingdom that includes organisms like mushrooms that have chitin in their cell walls.

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19. To which KINGDOM do organisms like these belong?  

20. Archaebacteria that “like to live in HOT environments” are called ______________.  

21. Name an organism that would be found in the DOMAIN EUKARYA and KINGDOM PLANTAE.  

22. Name the 6 Kingdoms used by scientists today to classify organisms.

23. Which kingdom includes the most diverse group of organisms because it contains any eukaryotes that don’t fit in the fungi, animal, and plant kingdoms?  

24. Prokaryotes with peptidoglycan in their cell walls belong in the KINGDOM _____________.

25. Group of similar families in Linnaeus’s system.

26. Molecule found in the cell walls of PLANTS that make them different from eubacteria and fungi.  

27. Name the Greek philosopher who first organized living things into TWO groups… plants and animals.

28.To which kingdom do these organisms belong?


29. Name the gene found on both humans and yeast that suggest these two organisms have a common ancestor.

30. Organisms in the Archaebacteria kingdom belong in the ______________ domain.

(FYI: Koalas have opposable thumbs!)


32. To which GENUS does this organism belong?

Image and Dichotomous Key from: 

  1a    This organism has an exoskeleton    - go to question 2
  1b.   This organism has an endoskeleton or no skeleton    - go to question 3

  2a.  This organism has thin black body and a red sripe on it's abodomen   - go to question 4a.
  2b.  This organism has a thick black body with large grey/brown abdomen    - go to question 4b.

  3a.   Organism dwells on land    - go to question 5
  3b.   Organism dwells in the ocean    - go to question 6

  4a.   Organism is called Latrodectus hasselti
  4b.   Organism is called Atrax infensus

  5a.   Organism is totally covered in smooth scale-like skin    - go to question 7
  5b.   Organism has a textured coat or covering   - go to question 8

  6a.   Organism 8 thick legs or tentacles    - go to question 9a.
  6b.   Has many string-like legs or tentacles    - go to question 9b.

  7a.   Scale-like skin is patterned in horizontal stripes over the body    - go to question 10a.
  7b.   Scale-like skin has one block colour over most of it's body    - go to question 10b.

  8a.   Has fine fur-like covering    - go to question 11
  8b.   Has feather-like covering over most of it's body    - go to question 12

  9a.   Organism is Hapalochlaena lunulata
  9b.   Organism is Chironex flecken

  10a.  Organism is Psuedonaja texilis
  10b.  Organism is Pseudechis porphyricus

  11a.  Has two opposing thumbs on the front paws   - go to question 13a.
  11b.  Has no opposing thumb on the front paws   - go to question 13b.

  12a.  Has large bone-like structure on a bald, blue-skinned head    - got to question 14a.
  12b.  Has feather-like covering over head with no bone-like structure   - go to question 14b.

  13a.  Organism is Phascolatarctos cinerus
  13b.  Organism is Vombatus ursinus

  14a.  Organism is Casuarius casuarius
  14b.  Organism is Dromaius novaebollandiae