CVA Test 1 review

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Angdredd
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295488
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CVA Test 1 review
Updated:
2015-02-10 12:37:40
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Review terms for test one
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  1. A jawless fish
    Agnathan
  2. A group of living chordates that includes amphioxus, the lancet
    cephalocordata
  3. Fleshy lobe-finned fishes
    Sarcopterygians
  4. A type of symmetry with a mid-sagittal access and structures of mirror image on the two sides
    bilateral
  5. Invented the binomial means of naming organisms based on genus and species
    Linnaeus
  6. A partial diaphragm supporting short sensory tentacles
    velum
  7. A group formed on the basis of nonhomologous characters
    polyphyly
  8. A group of jawless fish that appeared in the very late Cambrian and one of the first vertebrates to have a lateral line system and an inner ear with two semicircular canals
    Ostracoderms
  9. Micro fossils that were important index fossils in geological studies that represent early vertebrates
    conodonts
  10. A condition whereby distantly related organisms acquire a similar appearance of features used to perform similar functions
    the sorting of organisms into a hierarchy of ordered groups
    • convergence
    • classification
  11. A group of chordates that includes the tunicates
    uracordates
  12. The head end or cranial portion of the body
    anterior
  13. A tree like branched connection between groups
    dendrogram
  14. A lineage of the Bilateria that includes echinoderms, hemichordates and chordates
    deuterostomes
  15. Fossil fish whose name means plate skin from the early Silurian, and living through the Devonian.  They had heavy body armor and head shields of large fused plates of bone
    Placoderms
  16. A grouping of all of the organisms in a lineage plus the ancestor that they have in common
    clade
  17. Two or more features that share a common ancestry, even if they do not appear to be similar in the descendant forms
    homology
  18. A body or structure of a body built of repeating or duplicated sections
    segmentation
  19. A vertebrate that has jaws
    gnathostome
  20. The single plane that divides the body into two exact mirrored images, left and right
    midsagittal
  21. A structure or behavior that possesses the necessary form and function before the biological role arises that eventually serves
    preadaptation
  22. A system of equilibrium pressure for an organism that includes a fluid filled cavity and closed within a membrane, often encased inside a muscular coat
    hydrostatic
  23. Structures that serve as the equivalent of a kidney in amphioxus
    nephridia
  24. A scientist who recognized the principles of evolution as did Darwin and at about the same time
    Wallace
  25. A group that includes an ancestor and all of its descendents
    monophyly
  26. A slender rod that develops from the mesoderm in all chordates and serves to stiffen the organism anteroposteriorly
    notochord
  27. The opening that allows filtered water to pass out through the original slits from the atrium of amphioxus
    atriopore
  28. Study of the layer cake of the sediments laid down in a single locality, used for placing fossils and a relative sequence to each other
    Stratigraphy
  29. A series of separate bones or cartilage blocks firmly joined as a backbone that defines the major body access
    vertebrae
  30. A lineage of the Bilateria that includes mollusks, arthropods and other groups
  31. The larval form of a lamprey, it hatches from an egg and is a suspension feeder
    The underlying pattern Richard Owen saw of the vertebrate body as a repeating series of vertebral units
    • ammocoete
    • archetype
  32. An image depicting the hypothetical genealogy of several groups of organisms
    cladogram
  33. A type of symmetry where the body is laid out equally from a central access so that any of several planes passing through the center provides the animal in to equal or mirrored halves
    radial
  34. A living agnathan groups including the hagfishes and lampreys
    cyclostome
  35. A type of fish tail where both the upper and lower lobes are of equal size
    An early fossil vertebrate from the early Cambrian that was only slightly longer than an inch in length
    • homocercal
    • haikouella
  36. The central region of a vertebra that serves to link the vertebral column anteroposteriorly
    centrum
  37. A part of the digestive tract located immediately posterior to the mouth that also contains a series of slits
    pharynx
  38. One of the five main chordate characteristics, also known as the thyroid gland
    endostyle
  39. Internal nares
    choanae
  40. A fluid filled internal body cavity of a chordate
    coelom
  41. A scientist who believed that acquired traits could be inherited by descendents
    lamarck
  42. The group to which vertebrates belong
    chordata
  43. An animal with paired fore and hind limbs, capable of moving on land
    tetrapod
  44. The true ancestral descendant genetic pattern of relationships among organisms
    phylogeny
  45. A bony plate that covers the gill openings in some fishes
    operculum
  46. An anatomist who also coined the word "dinosaur"
    Owen
  47. A deep sea mud burrowing eel like scavenger, an agnathan
    hagfish
  48. This is a plane that divides the body into anterior and posterior portions and is also referred to as  being a transverse plane
    coronal
  49. The scientist who first put forward the theory of evolution as descent with modification
    Darwin
  50. Toward the tail, or pertaining to tail
    caudal
  51. The assortment of taxa represented in a typical cladogram that are of interest to the creator of the cladogram
    ingroup
  52. A plane that splits an organism into left and right halves
    sagittal
  53. A ray finned fish
    teleost
  54. A type of scale present in primitive lobe fin fishes that was initially rhomboid in shape
    cosmoid
  55. Also known as Darwin's bulldog, a scientist who supported and popularized Darwin's work
    Hyxley
  56. A French anatomist who explained the principle of the correlation of parts of an organism
    Cuvier

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