Bio test 4 last minute

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  1. You got this
  2. what has Combs (long rows of fused cilia)Colloblasts
  3. Colloblasts
    specialized cells ontentacles that dischargestrong adhesives

    Phylum Ctenophora(Ctenophores or comb jellies)
  4. Major animal lineages are distinguished by how certain featurescontribute to their
    • 1. Embryonic cell fate
    • 2. Body symmetry, cephalization
    • 3. Fluid-filled body cavity
    • 4. Patterns of development
  5. Coelom allowed
    additional roomfor organ development, anincrease in body size, and certainforms of movement
  6. Lophotrochozoa Lopho refers to
    Lopho refers to lophophore: U-shaped crown of ciliated tentaclessurrounding the mouth of three phyla in this clade
  7. LophotrochozoaTrocho refers to
    trochophore: larval stage with a ring of cilia aroundits middle; characteristic of several phyla in the clade
  8. Lophotrochozoans grow....
  9. Platyhelminthes(flatworms)
    Free-living and parasitic• Secondarily acoelomate!!!• Incomplete digestive system• No circulatory system (high surface area tovolume ratio)
  10. Class Cestoda
  11. bodyplans
    • 1. Acoelomate (no body cavity)
    • 2. Pseudocoelmate (Pseudocoelomates have a body cavity
    • partially lined with mesoderm)
    • 3. Coelomate (coelom lies withinthe mesoderm)
  12. major animal features
    • No cell walls• Tissues (e.g., muscle, nervous)• Active movement• Sexual reproduction (haploid cellsfunction directly— and only—as gametes)• Share unique embryonic development
  13. Coral bleaching
    Expulsion of zooxanthellae
  14. arthropod body plan
    • head
    • thorax
    • abdomen
    • jointed limbs
    • segmented body
  15. Arthropoda
    • Trilobita: trilobites
    • Myriapoda: centipedes, millipedes
    • Chelicerata: spiders, mites, ticks,scorpions
    • Insecta: insects
    • Crustacea: crustaceans
  16. Myriapoda
    Millipede Centipede
  17. the leggiest animal on the planet
    Illacme plenipes
  18. Metamorphosis
    An abrupt, substantial change inmorphology from one developmentalstage to another in an animal’s life cycle
  19. Coleoptera
    • Beetles
    • theres a lot of em
  20. Crustacea(crustaceans)
    • • Marine, freshwater, terrestrial
    • • Segmentation(cephalothorax, abdomen)
    • • Abdominal appendages
    • • Two pairs of antennae
  21. Chordate synapomorphies
    • Pharyngeal gill slits
    • Dorsal hollow nerve cord
    • Notochord
    • Muscular, post-anal tail
  22. Petromyzontoidea
    • lampreys
    • • Jawless
    • • Notochord persists
    • • Rudimentary vertebrae
    • • Complete cranium
    • • Sucker-like mouth withrings of keratinized teeth
  23. butterfly scaled wing
  24. Gill arches
    , supporting the pharyngeal gills,arose from the neural crest
  25. Are fishes a natural group?
  26. actinopterygii respiration
    • Gases exchanged from circulatory system
    • Uptake via gas gland; removal via oval body
  27. Operculum
    • covers and protects gills in actinopterygii
    • its open to posterior so water can flow out
  28. Paired fins provide
    controlled movement through water
  29. Tiktaalik roseae
    • between fish and terpodia ancestors
    • had shoulderblades that allow free moving head
  30. Which taxa
    are protostomes?
    • Lophotrochozoa (Rotifera, Plathelminthes, Annelida, Molluska) and Ecdysozoa
    • (Nematode and Athropoda)
  31. Porifera –
    • multicellular, sessile in adult form, swimming larvae, suspention
    • feeders, diploblastic, asymmetric,
    • specialized cell types
  32. Lophotrochozoans –
    grow continuously when conditions are good,U-shaped crown of ciliated tentacles surrounding the mouth of three phyla in this clade, suspension feeding•
  33. Platyhelminthes –
    secondarily acoelomate, free-living, parasitic, incomplete digestive system, no circulatory system
  34. Mollusca
    – marine, freshwater, terrestrial, mantle covers internal organs, muscular foot
  35. Annelida
    • – segmentation, hydrostatic
    • skeleton
  36. Nematoda –
    marine, freshwater, terrestrial, parasitic, psuedoceolomate
  37. Arthropoda –
    marine, freshwater, terrestrial , segmentation (ectoskeleten), jointed appendages
  38. Classes of Arthropod
    • Chelicerata – chelicerae (pair of modified appendages use for feeding)
    • Insecta – freshwater, terrestrial, few
    • saltwater, major segmentation
    • (head, thorax, abdomen), ventral nerve cord, open circulatory system, metamorphosis, two pairs of
    • wings
    • Crustacea – marine, freshwater, terrestrial,
    • segmentation, abdominal
    • appendages, two pairs of antennae
  39. What is the water vascular system?

    • A series of branching, fluid-filled tubes and
    • chambers
    • Podia used to secure food
  40. What synapomorphies define the Chordata? Craniata?
    • · Dorsal hollow nerve cord, notochord, pharyngeal
    • gill slits, a muscular post-anal tail
    • · A neural crest forms the cranium
    • · A cranium (a bony, cartilaginous, or fibrous
    • case that encloses the brain) and a column of cartilaginous or bony structures
    • called vertebrae
  41. Which clade of fishes represents the sister taxon to the Tetrapoda? What is the evidence?
    • The dipnoi (lungfish)
    • The lungfish fins are made of muscle
    • and skeletal bones
  42. Compare hagfish and lampreys.
    • Hagfish - partial cranium, jawless, notochord
    • persists, and contain four pair of sensory tentacles
    • Lampreys – jawless, notochord persists,
    • rudimentary vertebrae, complete cranium, sucker-like mouth with rings of kertatinized teeth
  43. What major chordate lineages form the Tetrapoda? The Amniota?
    • Tetrapoda (Amphibian, Mammalia, Reptila)
    • Amniota (Mammlia, Reptilia)
  44. Which amphibian clade “lost” their lungs?
    Order: Urodela Family: Plethodontidea
  45. What avenues of respiratory gas exchange are available to amphibians? Reptiles?
    • Amphibians – Gills, Lungs and Skin
    • Reptiles - Lungs
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Bio test 4 last minute
2012-04-24 04:45:09
Bio test last minute

Bio test 4 last minute
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