2. Using the additional information shown below: a. create a cladogram for these organisms. b. Do your two keys differ? Explain why. c. Which key is more useful for laboratory identification? d. Which key is more useful for classification?

2. Using the additional information shown below: a. create a cladogram for these organisms. b. Do your two keys differ? Explain why. c. Which key is more useful for laboratory identification? d. Which key is more useful for classification?

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter24: Systematics And Phylogenetics: Revealing The Tree Of Life

Section: Chapter Questions

Problem 17TYK

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Question

what is the answer for 2 a?

1. Using the following information:
Nutritional
Mitochondria? Chlorophyll? Type?
Motile?
Euglena
Both
Giardia
Heterotroph
Nosema
Heterotroph
Pfiesteria
Autotroph
Trichomonas
Heterotroph
Trypanosoma
Heterotroph
a. create a dichotomous key for distinguishing these unicellular organisms.
b. Which cause human disease?
2. Using the additional information shown below:
a. create a cladogram for these organisms.
b. Do your two keys differ? Explain why.
c. Which key is more useful for laboratory identification?
d. Which key is more useful for classification?
FRNA base #
4
7
10
11
12
13
14
15
16
17
18
19
20
A
G
G
U
A
U
A
Euglena
A
A
U
U
A
C
A
A
G
C
Giardia
U
A
A
C
C
Nosema
C
C
A
A
Pfiesteria
C
C
A
U
A
U
C
U
C
A
C
C
A
A
U
U
A
C
A
G
Trichomonas
C
C A
C
G
U
G U U C
C A
G
U U
A
A
A
Trypanosoma

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