UMUC Biology 102/103 Lab 6: Taxonomy Answer key A++ tutorial
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UMUC Biology 102/103
Lab 6: Taxonomy
INSTRUCTIONS:
· On your own and without assistance, complete this Lab 6 Answer Sheet electronically and submit it via the Assignments Folder by the date listed in the Course Schedule (under Syllabus).
· 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 6 Answer 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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UMUC Biology 102/103 Lab 6: Taxonomy Answer key A++ tutorial was first posted on July 11, 2019 at 7:02 pm.
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UMUC Biology 102/103 Lab 6: Taxonomy Answer key A++ tutorial was first posted on July 11, 2019 at 7:03 pm.