Problem: Use these critters to answer the following questions.a) Construct a taxon by character matrix for the above organisms(i) presence/absence of hair(ii) presence/absence of stripes (iii) presence/absence of spots(iv) presence/absence of eye(v) presence/absence of fins(vi) presence/absence of tail(vii) presence/absence of jawiiiiiiivvviviiOABCDEFPresence +          Absence -b) Draw the most parsimonious cladogram for the below taxa, mapping out all 7 characters onto the tree. Then chose a node, circle it, and rotate it along that node by drawing a second tree that shows identical phylogenetic relationships.

FREE Expert Solution

For a) The character matrix should look like this:


i (hair)

ii (stripes)

iii (spots)

iv (eye)

v (fins)

vi (tail)

vii (jaw)

O

A

+

+

+

+

B

+

+

+

+

C

+

+

+

D

+

+

+

+

+

E

+

+

+

+

F

+


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Problem Details

Use these critters to answer the following questions.

a) Construct a taxon by character matrix for the above organisms

(i) presence/absence of hair

(ii) presence/absence of stripes 

(iii) presence/absence of spots

(iv) presence/absence of eye

(v) presence/absence of fins

(vi) presence/absence of tail

(vii) presence/absence of jaw


i

ii

iii

iv

v

vi

vii

O








A








B








C








D








E








F








Presence +          Absence -


b) Draw the most parsimonious cladogram for the below taxa, mapping out all 7 characters onto the tree. Then chose a node, circle it, and rotate it along that node by drawing a second tree that shows identical phylogenetic relationships.