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ObeyyMe

  • one year ago

Best answer gets a medal (: 1. A flexible, supporting structure found only in chordates is the (1 point) nerve net. notochord. pharyngeal slits. dorsal fin. 2. Ancient chordates are thought to be most closely related to which of the following species? (1 point) spiders earthworms octopi sea stars

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  1. space4cadet101
    • one year ago
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    A flexible, supporting structure found only in chordates is the notochord.

  2. ObeyyMe
    • one year ago
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    what about #2 ?

  3. space4cadet101
    • one year ago
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    umm.....one sec :)

  4. ObeyyMe
    • one year ago
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    Ok (:

  5. space4cadet101
    • one year ago
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    Ancient chordates are thought to be most closely related to which of the following species d. sea anemones

  6. ObeyyMe
    • one year ago
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    Thanks . I Need Help With Number 3 Too . . . Fossil evidence indicates that Myllokunmingia, the earliest known vertebrate, had feathery gills, skeletal structures thought to be made of cartilage, and traces of fins. Based on this description, Myllokunmingia was most likely an early species of (1 point) reptile. fish. bird. mammal.

  7. space4cadet101
    • one year ago
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    kk

  8. space4cadet101
    • one year ago
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    IT IS B FISH!!! Fossil evidence indicates that Myllokunmingia, the earliest known vertebrate, had feathery gills, skeletal structures thought to be made of cartilage, and traces of fins. [ Based on this description, Myllokunmingia was most likely an early species of FISH. ]

  9. ObeyyMe
    • one year ago
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    Thank You Again . Lol (:

  10. space4cadet101
    • one year ago
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    oo no problem :) anything else??

  11. ObeyyMe
    • one year ago
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    Theres 2 More Questions If You Dont Mind ;

  12. space4cadet101
    • one year ago
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    sure :)

  13. ObeyyMe
    • one year ago
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    4. Which of the following animals lacks a notochord in both its embryonic and adult stages? (1 point) Pikaia worm lancelet tunicate 5. What does fossil evidence indicate about the order in which these three vertebrates evolved: a bony fish with a jaw, a jawless fish, and a fish with leglike fins? (1 point) The bony fish evolved before the jawless fish. The fish with leglike fins was the last to evolve. The jawless fish was the last to evolve. The fish with leglike fins evolved before the jawless fish.

  14. space4cadet101
    • one year ago
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    B) Worm C)The jawless fish was the last to evolve.

  15. ObeyyMe
    • one year ago
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    Alrighty :D Thanksss !

  16. space4cadet101
    • one year ago
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    no problem you have a great rest of your day :)

  17. Coday12
    • one year ago
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    B D C B B

  18. jamielovesmickey
    • one year ago
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    1. A flexible, supporting structure found only in chordates is the (1 point) (0 pts) nerve net. (1 pt) notochord. (0 pts) pharyngeal slits. (0 pts) dorsal fin. 1 /1 point 2. Ancient chordates are thought to be most closely related to which of the following species? (1 point) (0 pts) spiders (0 pts) earthworms (0 pts) octopi (1 pt) sea stars 1 /1 point 3. Fossil evidence indicates that Myllokunmingia, the earliest known vertebrate, had feathery gills, skeletal structures thought to be made of cartilage, and traces of fins. Based on this description, Myllokunmingia was most likely an early species of (1 point) (0 pts) reptile. (1 pt) fish. (0 pts) bird. (0 pts) mammal. 0 /1 point 4. Which of the following animals lacks a notochord in both its embryonic and adult stages? (1 point) (0 pts) Pikaia (1 pt) worm (0 pts) lancelet (0 pts) tunicate 1 /1 point 5. What does fossil evidence indicate about the order in which these three vertebrates evolved: a bony fish with a jaw, a jawless fish, and a fish with leglike fins? (1 point) (0 pts) The bony fish evolved before the jawless fish. (1 pt) The fish with leglike fins was the last to evolve. (0 pts) The jawless fish was the last to evolve. (0 pts) The fish with leglike fins evolved before the jawless fish.

  19. yoloyolo
    • 8 months ago
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    for whoever is wondering they are 100% right

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