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UMUC Biology 102/103
Lab 6: Taxonomy
INSTRUCTIONS:
·
On your own and without assistance, complete
thisLab
6Answer Sheet electronically
and submit it via theAssignments
Folder by the date listed in theCourse Schedule (underSyllabus).
·
To conduct your laboratory exercises, use the
Laboratory Manual located under Course Content. Read the introduction and the
directions for each exercise/experiment carefully before completing the
exercises/experiments and answering the questions.
·
Save your Lab 6Answer Sheet in the
following format: LastName_Lab6 (e.g.,
Smith_Lab6).
·
You should submit your document as a Word (.doc or .docx) or
Rich Text Format (.rtf) file for best compatibility.
Pre-Lab Questions
Use
the following classifications to determine which organism is least related
out of the three. Explain your rationale.
Table 2:
Classifications
Classification Level
American Green Tree Frog
European Fire- Bellied Toad
Eastern Newt
Domain
Eukarya
Eukarya
Eukarya
Kingdom
Animalia
Animalia
Animalia
Phylum
Chordata
Chordata
Chordata
Class
Amphibia
Amphibia
Amphibia
Order
Anura
Anura
Caudata
Family
Hylidae
Bombinatoridae
Salamandridae
Genus
Tursipops
Bombina
Notophthalmus
Species
cinerea
bombina
viridescens
How has DNA
sequencing affected the science of classifying organisms?
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
Organism
Binomial 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
Organism
Kingdom
Domain
Defined Nucleus
Motile
Cell Wall
Photosynthesis
Unicellular
E. coli
Yes
Yes
Protozoa
Yes
Yes
Yes
Mushroom
Yes
Yes
Sunflower
Yes
Yes
Yes
Bear
Yes
Yes
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)?
3.
What
questions would you have asked instead of the ones that you answered above when
classifying the organisms?
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