BIO94 LECTURE 07.29.10 & 08.03.10

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THUATRAN
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BIO94 LECTURE 07.29.10 & 08.03.10
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2010-08-11 13:16:04
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BIO94 SUBKINGDOM EUMETAZOA
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SUBKINDOM EUMETAZOA
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  1. What is SUBPHYLUM EUMETAZOA?
    • -INVERTEBRATE animals
    • -phylum cnidaria, phylum ctenophora, phylum platyhelminthes, phylum annelida, phylum arthropoda, and phylum echinodermata
    • -VERTEBRATE animals
    • -phylum chordata
  2. Describe PHYLUM CNIDARIA.
    • -includes jellies, corals, and hydras
    • -diploblastic
    • -radial body plans (sessile or polyps)
    • -carnivores
    • -no brain
    • -4 classes: hydrozoa, anthozoa, scyphozoa, cubuzoa
  3. What is CLASS HYDROZOA?
    • -kingdom animalia
    • -subkingdom eumetazoa
    • -phlyum cnidaria
    • -class hydrozoa
    • -man of war or hydra
    • -alternate between polyps and medusa stage
  4. What is CLASS SYCPHOZOA?
    • -kingdom animalia
    • -subkingdom eumetozoa
    • -phylum cnidaria
    • -class scyphozoa
    • -true jellies
    • -medusa stage is most prominent
  5. What is CLASS CUBOZOA?
    • -kingdom animalia
    • -subkingdom eumetozoa
    • -phylum cnidaria
    • -class cubozoa
    • -box jellies and sea wasps
    • -box-shaped medusa stage
  6. What is CLASS ANTHOZOA?
    • -kingdom animalia
    • -subkingdom eumetozoa
    • -phylum cnidaria
    • -class anthozoa
    • -sea anemones and coral
    • -sessile polyps
  7. What is PHYLUM CTENOPHORA?
    • -kingdom animalia
    • -subkingdom eumetozoa
    • -phylum ctenophora
    • -comb jellies
    • -radial symmetry
  8. What is PHYLUM PLATYHELMINTHES?
    • -kingdom animalia
    • -subkingdom eumetozoa
    • -phylum platyhelminthes
    • -flatworms
    • -bilateral symmetry
    • -acoelomates
    • -4 classes: turbellaria, trematoda, monogenea, and cestoda
  9. What are the four classes of PHYLUM PLATYHELMINTHES?
    • (1) Class Turbellaria (Planarians)
    • (2) Class Trematoda (Flukes)
    • (3) Classs Monogenea (Parasitic worms)
    • (4) Class Cestoda (Tapeworms)
  10. Describe PHYLUM ANNELIDA.
    • -segmented worms
    • -3 classes: class oligochaetes (earthworms), class hirudinea (leeches), and class nematoda (roundworms)
  11. Describe CLASS OLIGOCHAETES?
    • -earthworms
    • -closed circulatory system
    • -gizzard, crop
    • -hermaphrodite
    • -detritus (eat debris)
  12. Describe CLASS HIRUDINEA.
    • -leeches
    • -blood parasites
    • -enzymes secrete anesthetic
    • -hirudin, which keeps blood from coagulating
  13. Describe CLASS NEMATODA.
    • -roundworms
    • -causes TRICHONELLA disease (by eating raw or uncooked meat of infected animals)
    • -no circulatory system
    • -sexual reproduction
    • -causes ENTEROBIOUS VERMICULARIS infection (PINWORM)
  14. Describe PHYLUM ARTHROPODA.
    • -subkingdom eumetozoa
    • -invertebrates
    • -segmented body plan
    • -jointed appendages
    • -hard exoskeleton
    • -GAS EXCHANGE
    • -phylum arthropoda
    • -3 subphylums: subphylum cheliceriformes (class arachnids), subphylum myriapoda (class diplopoda and class chilopoda), subphylum hexapoda
  15. What is SUBPHYLUM CHELICERIFORMES?
    • -subkingdom eumetozoa
    • -phylum arthropoda
    • -subphylum cheliceriformes
    • -claw-like appendages called chelicerae
    • -most are CLASS ARACHNIDS
  16. What is CLASS ARACHNIDS?
    • -subkingdom eumetozoa
    • -phylum arthropoda
    • -class arachnids
    • -scorpions, spiders, mites, and ticks
    • -two part body: cephalothorax (6 pairs of appendages including chelicerae, pedipalps, and 4 pairs of walking legs) and abdomen
  17. What is SUBPHYLUM MYRIAPODA?
    • -subkingdom eumetozoa
    • -phylum arthropoda
    • -subphylum myriapoda
    • -terrestrial
    • -2 classes: class diplopoda (millipedes) and class chilopoda (centipedes)
  18. What is SUBPHYLUM HEXAPODA?
    • -subkingdom eumetozoa
    • -phylum arthropoda
    • -subphylum hexapoda
    • -INSECTS
    • -body consists of head, thorax, and abdomen
    • -compound eye
    • -ventral nerve cords
    • -flight
    • -Malpighian tubes functions as kidneys
    • -trachea system
    • -incomplete or complete metamorphosis
  19. What is PHYLUM ECHINODERMATA?
    • -subkingdom eumetozoa
    • -phylum echinodermata
    • -deuterostome
    • -water vascular system
    • -sexual reproduction
    • -5 classes: CLASS ASTEROIDEA, CLASS OPHIUROIDEA, CLASS ECHINOIDEA, CLASS CRINOIDEA, AND CLASS HOLOTHUROIDEA
  20. What is CLASS ASTEROIDEA?
    • -subkingdom eumetozoa
    • -phylum echinodermata
    • -SEA STARS
    • -arms in 5 or multiples of 5
    • -each arm has its own set of digestive and reproductive systems
  21. What is CLASS OPHIUROIDEA?
    • -subkingdom eumetozoa
    • -phylum echinodermata
    • -class ophiuroidea
    • -long flexible arms
    • -arms grow back via asexual reproduction
  22. What is CLASS ECHINOIDEA?
    • -subkingdom eumetozoa
    • -phylum echinodermata
    • -class echinoidea
    • -sea urchins and sand dollars
    • -lack distinctive arms
  23. What is CLASS CRINOIDEA?
    • -subkingdom eumetozoa
    • -phylum echinodermata
    • -class crinoidea
    • -sea lilies and feather stars
  24. What is CLASS HOLOTHUROIDEA?
    • -subkingdom eumetozoa
    • -phylum echinodermata
    • -class holothuroidea
    • -sea cucumbers
  25. What are VERTEBRATES?
    • -subkingdom eumetazoa
    • -phylum chordata
    • -bilateral
    • -vertebrae
    • -deuterostomes
    • -notochord (human skeleton), nerve chord (CNS), pharyngeal gill slits (human ears, head and neck), post anal tail
    • -3 subphylums: subphylum cephalochordata (invertebrates, LANCELETS), subphylum urochordata (invertebrates, TUNICATES), and subphylum vertebrata
  26. Describe SUPHYLUM VERTEBRATA.
    • -subkingdom eumetazoa
    • -phylum chordata
    • -subphylum vertebrata
    • -6 classes: class chondrichthyes (sharks, skates, and rays), class osteichthyes (bony fishes), class amphibia (frogs and salamanders), class reptilia (lizards, snakes, turtles), class aves (birds), and class mammalia
  27. What is CLASS CHONDRICHTHYES?
    • -subkingdom eumetozoa
    • -phylum chordata
    • -subphylum vertebrata
    • -class chondrichthyes
    • -sharks, skates, and rays
  28. What is CLASS OSTEICHYTHES?
    • -subkingdom eumetazoa
    • -phylum chordata
    • -subphylum vertebrata
    • -class osteichythes
    • -bony fishes
  29. What is CLASS AMPHIBIA?
    • -subkingdom eumetozoa
    • -phylum chordata
    • -subphylum vertebrata
    • -class amphibia
    • -frogs, salamanders
    • -aquatic larvae, terrestrial adulthood
  30. What is CLASS REPTILIA?
    • -subkingdom eumetozoa
    • -phylum chordata
    • -subphylum vertebrata
    • -class reptilia
    • -ectothermic
    • -lizards, snakes, turtles
  31. What is CLASS AVES?
    • -subkingdom eumetazoa
    • -phylum chordata
    • -subphylum vertebrata
    • -class aves
    • -birds
    • -endothermic
  32. What is CLASS MAMMALIA?
    • -subkingdom eumetozoa
    • -phylum chordata
    • -subphylum vertebrata
    • -class mammalia
    • -mammals = mammary glands that produce milk
    • -endothermic
    • -3 major taxonomic groups: MONOTREMES (lay eggs, lack nipples, platypus or echidna), MARSUPIALS (pouch animals), EUTHERIANS (placentals)
  33. What are MONOTREMES?
    • -subkingdom eumetazoa
    • -phylum chordata
    • -subphylum vertebrata
    • -class mammalia
    • -MONOTREMES
    • -lack nipples
    • -lay eggs
    • -platypus, echidna
  34. What are MARSUPIALS?
    • -subkingdom eumetazoa
    • -phylum chordata
    • -subphylum vertebrata
    • -class mammalia
    • -MARSUPIALS
    • -pouch mammals
    • -opossum, kangaroo, koala
  35. What are EUTHERIANS?
    • -subkingdom eumetozoa
    • -phylum chordata
    • -subphylum vertebrata
    • -class mammalia
    • -EUTHERIANS
    • -placentals
    • -humans
  36. What are GNATHOSTOMES?
    • -vertebrates with jaws
    • -sharks, rays, fish, amphibians, reptiles, and mammals
  37. What are TETRAPODS?
    • -vertebrates with four-limbs
    • -class amphibia, class reptilia, class aves

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