Posted: April 12th, 2022

Phylogeny

Assignment Topic:
Phylogeny
Homework for Chapter 12 – Organizing Life on Earth (10 points)
Name: _____________________________ Date: _________________________
Answer all questions in complete sentences.
1. The classifications of life from broadest to specific species is as follows:
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
Come up with an easy to remember phrase where the first letter of each word of the phrase corresponds to the first letter of the classification of life. For example: Don King Punched Conners Out For Gambling Stints. Remember the phrase you came up with, I will ask for it on the exam. (1 point)
2. What is the Domain, Kingdom, Phylum, Class, Order, Family, Genus and Species (and subspecies) of the following organisms? In the event there are more than one species, select one. (3 points)
a. Goldfish
b. Artic wolf
c. Native North American ladybug.
d. Organism that causes leprosy
e. Native North American wild rose.
f. Organism that causes malaria

3. In your own words, describe maximum parsimony. (1 point)

4. Given the following chart of animals and characteristics, build a phylogenetic tree using maximum parsimony. Where would a seagull fit on your tree (please add the seagull to your tree with its defining characteristic)? (3 points)
Tuna Lamprey Turtle Salamander Lancelet Leopard
Vertebral column yes yes yes yes no yes
Amniotic egg no no yes no no yes
Has 4 appendages no no yes yes no yes
Hinged jaws yes no yes yes no yes
Hair/fur no no no no no yes

5. Watch the following video and explain the differences between homologous an analogous structures and give an example. (2 points)

Define homologous structures and give an example?

Define analogous structures and give an example?

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