Based on the diagram, which statement is true about the evolution of animals?      A. Echinoderms  evolved after chordates.   B. Mineralized skeletons deveoloped before notocords.   C. Chrondricthyes share chordate ancestors with myxini.   D. The ancestral deutrosome had a notocord and vertebrae

Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter29: Vertebrates
Section: Chapter Questions
Problem 7RQ: Members of Chondrichthyes differ from members of Osteichthyes by having (a). jaw bony skeleton...
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Based on the diagram, which statement is true about the evolution of animals? 

 

  •  
    A.

    Echinoderms  evolved after chordates.

  •  
    B.

    Mineralized skeletons deveoloped before notocords.

  •  
    C.

    Chrondricthyes share chordate ancestors with myxini.

  •  
    D.

    The ancestral deutrosome had a notocord and vertebrae

ANCESTRAL
DEUTEROSTOME
2017 Pearson Education, Inc.
Notochord
Common/
ancestor of
chordates
Vertebrae
Jaws, mineralized skeleton
Echinodermata
Cephalochordata
Urochordata
Myxini
Petromyzontida
Chondrichthyes
Transcribed Image Text:ANCESTRAL DEUTEROSTOME 2017 Pearson Education, Inc. Notochord Common/ ancestor of chordates Vertebrae Jaws, mineralized skeleton Echinodermata Cephalochordata Urochordata Myxini Petromyzontida Chondrichthyes
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