542 lizard PALEOZOIC (a) human backbone hair dog human 251 Millions of years ago hair (b) lizard MESOZOIC 1. Which taxon diverged first from the common ancestor? 2. What does the same branch length indicate on the evolution of the different taxa? Explain. backbone dog dog hair hair CENOZOIC (c) 65.5 lizard Drosophila Lancelet backbone Zebrafish Frog Chicken Human Mouse Present human hair 3. Which of the following trees is the most parsimonious? Explain. 4. Which of the following trees is the least parsimonious? Explain.
542 lizard PALEOZOIC (a) human backbone hair dog human 251 Millions of years ago hair (b) lizard MESOZOIC 1. Which taxon diverged first from the common ancestor? 2. What does the same branch length indicate on the evolution of the different taxa? Explain. backbone dog dog hair hair CENOZOIC (c) 65.5 lizard Drosophila Lancelet backbone Zebrafish Frog Chicken Human Mouse Present human hair 3. Which of the following trees is the most parsimonious? Explain. 4. Which of the following trees is the least parsimonious? Explain.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:542
lizard
PALEOZOIC
(a)
human
backbone
hair
dog
human
251
Millions of years ago
hair
(b)
lizard
MESOZOIC
1. Which taxon diverged first from the common ancestor?
2. What does the same branch length indicate on the evolution of the
different taxa? Explain.
backbone
dog
dog
hair
hair
CENOZOIC
(c)
65.5
lizard
Drosophila
Lancelet
backbone
Zebrafish
Frog
Chicken
Human
Mouse
Present
human
hair
3. Which of the following trees is the most parsimonious? Explain.
4. Which of the following trees is the least parsimonious? Explain.
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