Did this series of questions correctly organize each organism? Why or why not? 

Pre-Lab Questions

  1. Use the following classifications to determine which organism is least related out of the three. Explain your rationale.
Table 2: Classifications
 Classification LevelAmerican Green Tree FrogEuropean Fire- Bellied ToadEastern Newt
DomainEukaryaEukaryaEukarya
KingdomAnimaliaAnimaliaAnimalia
PhylumChordataChordataChordata
ClassAmphibiaAmphibiaAmphibia
OrderAnuraAnuraCaudata
FamilyHylidaeBombinatoridaeSalamandridae
GenusTursipopsBombinaNotophthalmus
Speciescinereabombinaviridescens
       
  1. How has DNA sequencing affected the science of classifying organisms?
  1. You are on vacation and see an organism that you do not recognize. Discuss what possible steps you can take to classify it.

Exercise 1: Dichotomous Key Practice

Table 3: Dichotomous Key Results
OrganismBinomial Name
i 
ii 
iii 
iv 
v 
vi 
vii 
viii 
ix 
x 
xi 
xii 
xiii 

Post-Lab Questions

  1. What do you notice about the options of each step as they go from number one up?  
  2. How does your answer from Question 1 relate to the Linnaean classification system?   

Exercise 2: Classification of Organisms

Data Tables and Post-Lab Assessment

Table 2: Key Characteristics of Some Organisms

OrganismKingdom DomainDefined NucleusMotileCell WallPhotosynthesisUnicellular
E. coli    Yes Yes
Protozoa  YesYes  Yes
Mushroom  Yes Yes  
Sunflower  Yes YesYes 
Bear  YesYes   
lab006fig004
Figure 4:Exercise 2 – Classification of Organisms Flow Chart

Post-Lab Questions

  1. Did this series of questions correctly organize each organism? Why or why not? 
  2. What additional questions would you ask to further categorize the items within the kingdoms (Hint: think about other organisms in each of the kingdoms and what makes them different than the examples used here)?
  1. What questions would you have asked instead of the ones that you answered above when classifying the organisms?
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