Bio Exam 4 final

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jax12
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53663
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Bio Exam 4 final
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2010-12-06 01:32:43
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Bio Exam final
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Bio Exam 4 final
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  1. 3 domains
    • bacteria
    • archaea
    • eukarya
  2. kingdoms under Eukarya
    • animals
    • plants
    • fungi
    • protists
  3. characteristics of animals (6)
    • multicellular
    • consume bodies of others
    • reproduce sexually
    • lack a cell wall
    • motile
    • respond to external stimuli
  4. vertebrates
    • animals with a backbone
    • fish
    • amphibians
    • reptiles
    • birds
    • mammals
  5. invertebrates
    • animals with no backbone
    • sponges
    • cnidarians
    • annelids
    • arthropods
    • insects
    • arachnids
    • crustaceans
    • mollusks
    • chordates
  6. sponges
    • colony of single celled organisms
    • many sizes shapes and colors
    • all live in water
    • reproduction by budding
    • water filtered for oxygen food and waste
  7. cnidarians
    • tentacled predators
    • jellyfish
    • sea anemones
    • corals
    • hydrozoans
  8. annelids
    • segmented worms- predatory or parasitic
    • marine worm
    • earthworm
    • leeches
  9. arthropods
    • insects
    • arachnids
    • crustaceans
    • have an exoskeleton
    • dominant animals on earth
    • animal molts
    • segmented - head, thorax, abdomen
  10. insects
    • 3 pairs of legs
    • metamorphosis - larva, pupa, adult
    • larva- worm like hatches from an egg
    • pupa-encased in an outer covering
    • adult- usu. diff. food source than larva, reproduces
  11. arachnids
    • spiders, mites, ticks
    • most are carnivores
    • often predigest food outside body then drink the liquid remains
    • well developed eye sight
  12. crustaceans
    • crabs, lobsters, shrimp, barnacles
    • live primarily in water
    • 2 pairs of antenae
  13. mollusks
    • all aquatic except snails and slugs
    • gastropods
    • bivalves
    • cephalopods
  14. gastropods
    • snails and slugs
    • crawl on large muscular foot
    • feed with radula (spined scraper)
  15. bivalves
    • scallops, clams, mussles
    • 2 shells connected by a hinge
    • filter feeders
    • have gills
  16. cephalopods
    • all marine
    • octopus, squid, nautilus
    • have tentacles, beaklike jaws
    • highly developed brains and sensory systems
  17. chordates
    • invertebrate and vertebrate forms, all have:
    • notochord
    • dorsal hollow nerve cord
    • pharyngeal gill slits
    • post-anal tail
  18. notochord
    stiff flexible rod length of body
  19. dorsal hollow nerve cord
    hollow structure thickens at one end to make a brain
  20. pharyngeal gill slits
    • in the pharynx
    • functional gills or only appear in development
  21. post-anal tail
    extention of body past anus
  22. invertebrate chordates
    • lancelets
    • tunicates
  23. lancelets
    tiny fishlike creatures that spend most of life buried in sand
  24. tunicates
    • sea squirt animals
    • adults look like sponges
  25. vertebrate changes
    • notochord replaced by a vertebral column
    • spine made of cartilage or bone and is living internal tissue
  26. cartilaginous fish
    sharks
  27. bony fish examples
    • anglerfish
    • coelacanth
    • sea horse
    • morey eel
  28. amphibians
    • 3 chambered heart
    • inefficient lungs, need skin too
    • eggs laid in water
  29. reptiles
    • lizards, snakes, turtles, alligators, crocodiles
    • waterproof: scales, fertilization, eggs
  30. birds
    • from dinosaurs
    • feathers specialized scales
  31. characteristics of mammals
    • hair/fur
    • milk producing glands
    • sweat and oil glands

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