Which statements about the phylogenetic tree are true?

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Which statements about the phylogenetic tree are true?

Select all that apply.

A)Lancelets and coelacanths are more closely related than are chimaeras and coelacanths.

B)Birds and ray-finned fishes have a notochord and jaws.

C)Mammals and turtles are more closely related than are lungfishes and sharks.

D)Hagfishes, lungfishes, and frogs have lobed fins.

E)Organism (c) is a common ancestor of lampreys and lungfishes.

F)Rays and frogs have a vertebral column.

G)Organism (a) is a common ancestor of all chordates.

H)Descendants of organism (d) have legs.

6 Answers

  • To answer this question, we would need to see the exact tree you were provided with / were expected to learn. People have different ideas about the evolutionary relationships between animals; but I’ll do my best anyway.

    A) – Can’t answer – need to see the tree.

    B) – TRUE

    C) – Can’t answer – need to see the tree.

    D) – FALSE (Hagfish have NO true fins)

    E) – Can’t answer – need to see the tree.

    F) – TRUE

    G) – Can’t answer – need to see the tree

    H) – Can’t answer – need to see the tree

  • Chordata Phylogenetic Tree

  • Which statements about the phylogenetic tree are true?

    A.Rays and frogs have vertebrae.
    
    B.Organism (c) is a common ancestor of lampreys and lungfishes.
    
    C.Mammals and turtles are more closely related than are lungfishes and sharks.
    
    D.Descendants of organism (d) have limbs with digits.
    
    E.Hagfishes, lungfishes, and frogs have lobed fins.
    
    F.Organism (a) is a common ancestor of all chordates.
    
    G.Birds and ray-finned fishes have a notochord and jaws.
    
    H.Lancelets and coelacanths are more closely related than are chimaeras and coelacanths.

    Answer: A,C,D,F &G are true

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  • Mammals and turtles are more closely related than are lungfishes and sharks. (true)

    Birds and ray-finned fishes have a notochord and jaws.(true)

    Organism (c) is a common ancestor of lampreys and lungfishes. (false)

    Rays and frogs have vertebrae. (true)

    Descendants of organism (d) have limbs with digits.(true)

    Organism (a) is a common ancestor of all chordates.(true)

    Hagfishes, lungfishes, and frogs have lobed fins.(false)

    Lancelets and coelacanths are more closely related than are chimaeras and coelacanths.(false)

  • Mammals and turtles are more closely related than are lungfishes and sharks (C)

    Birds and ray-finned fishes have a notochord and jaws.(B)

    Descendants of organism have legs.(H)

    Rays and frogs have a vertebral column (F)

    Organism (E) is a common ancestor of all chordates

    I am right. Your welcome.

    Source(s): Auburn Student/Mastering Biology.

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