2. Chordate evolution The diagram shown here is sometimes referred to as a cladogram. It shows the relationship between different groups of organisms with the same s of characteristics, called clades, and it shows how these groups evolved from shared ancestors over time. The label "Ancestral Chordate" at the bot of the cladogram indicates an organism that no longer exists today but that all living chordates evolved from. The movement of the branches from t bottom of the diagram to the top of the diagram represents the passage of time moving forward. A split in the tree occurs each time a new trait developed that separated one group from another. Select the correct label to complete the diagram. Lancelets Tunicates Hagfishes Lampreys Cartilaginous Ray-finned Lobe-finned Amphibians fishes Reptiles (with birds) Mammals fishes fishes Amniote Eggs Four Limbs A Swim Bladder or Lungs Jaws Backbone Braincase Ancestral Chordate

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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1 options: 

-bony appendages 

-hard scales 

-shelled eggs

 

2 options: 

-aminotes

-vertebrates 

-tetrapods 

-crainates 

2. Chordate evolution
The diagram shown here is sometimes referred to as a cladogram. It shows the relationship between different groups of organisms with the same s
of characteristics, called clades, and it shows how these groups evolved from shared ancestors over time. The label "Ancestral Chordate" at the bot
of the cladogram indicates an organism that no longer exists today but that all living chordates evolved from. The movement of the branches from t
bottom of the diagram to the top of the diagram represents the passage of time moving forward. A split in the tree occurs each time a new trait
developed that separated one group from another. Select the correct label to complete the diagram.
Lancelets Tunicates Hagfishes
Lampreys Cartilaginous Ray-finned Lobe-finned Amphibians
fishes
Reptiles
(with birds)
Mammals
fishes
fishes
Amniote Eggs
Four Limbs
A
Swim Bladder or Lungs
Jaws
Backbone
Braincase
Ancestral Chordate
Transcribed Image Text:2. Chordate evolution The diagram shown here is sometimes referred to as a cladogram. It shows the relationship between different groups of organisms with the same s of characteristics, called clades, and it shows how these groups evolved from shared ancestors over time. The label "Ancestral Chordate" at the bot of the cladogram indicates an organism that no longer exists today but that all living chordates evolved from. The movement of the branches from t bottom of the diagram to the top of the diagram represents the passage of time moving forward. A split in the tree occurs each time a new trait developed that separated one group from another. Select the correct label to complete the diagram. Lancelets Tunicates Hagfishes Lampreys Cartilaginous Ray-finned Lobe-finned Amphibians fishes Reptiles (with birds) Mammals fishes fishes Amniote Eggs Four Limbs A Swim Bladder or Lungs Jaws Backbone Braincase Ancestral Chordate
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