BIO 1406/07 W/CONNECT/LM NEW >IC<
16th Edition
ISBN: 9781260075762
Author: Raven
Publisher: MCG CUSTOM
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Chapter 20, Problem 3S
Based on a consideration of how strong artificial selection has helped eliminate
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tended Response (F24)
O 3:58:01 remai
Use the table below to construct a phylogenetic tree for a group of alien organisms
found on the planet Kepler 22B by the astronomer D. Liscious. Ph.D. The common
ancestor of all these organisms was green, silicon-based, with 2 legs, 4 dataports, 1
sex, and did not possess powered flight, x-ray vision, or interdimensional awareness.
Assume the hypothesis of parsimony is valid and that all taxa are extant except for
Taxon A, which is extinct. (10 pts)
You should draw your tree on a piece of paper. Then, take a photo of it, save as a
file, and upload it here. Please make sure your tree is neat and easy to read.
Table 1. Kepler 22B taxonomic diversity with derived characters.
Taxon
Skin
Basis for building # Legs
# Data- # Sexes Powered
X-ray
Interdimensional
Color
macromolecules
ports
Flight?
Vision
Awareness?
A
Green
Carbon
4
4
2
N
N
N
B
Green
Carbon
2
4
2
N
N
N
Match the following graphs with their likely p-values.
45
4
3.5
3
I
Mean Height (SD)
S
2
1
05
0
Control
Phosphoru
く
Phosphorus
Nitrogen
Mean Height (SD)
m
2
O
Control
Nitrogen
1. p=0.0001
2. p=0.1439
Table 1. Kepler 22B taxonomic diversity with derived characters.
Taxon
Skin
Basis for building # Legs
# Data-
# Sexes Powered
X-ray
Interdimensional
Color
macromolecules
ports
Flight?
Vision
Awareness?
A
Green
Carbon
4
4
2
N
N
N
B
Green
Carbon
2
4
2
N
N
N
C
Green
Silicon
2
4
1
N
N
N
D
Green
Silicon
2
4
2
N
Y
N
E
Purple
Silicon
2
4
2
N
Y
N
F
Purple
Silicon
2
4
2
N
Y
Y
G
Purple
Silicon
2
5
2
N
Y
Y
H
Purple
Silicon
2
5
2
Y
Y
Y
Chapter 20 Solutions
BIO 1406/07 W/CONNECT/LM NEW >IC<
Ch. 20 - Assortative mating a. affects genotype frequencies...Ch. 20 - When the environment changes from year to year and...Ch. 20 - Many factors can limit the ability of natural...Ch. 20 - Stabilizing selection differs from directional...Ch. 20 - Founder effects and bottlenecks are a. expected...Ch. 20 - Relative fitness a. refers to the survival rate of...Ch. 20 - For natural selection to result in evolutionary...Ch. 20 - In a population of red (dominant allele) or white...Ch. 20 - Genetic drift and natural selection can both lead...Ch. 20 - Prob. 3A
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