Animals 1

  1. What is an animal?
    Eukaryotic, Multicellular, Ingestive heterotrophs, No cell walls, one common ancestor
  2. Animals are a __________ Group
  3. What are Hox Genes?
    Hox Genes controls you body plans, Limb placement
  4. How to differentiate animal groups
    • Cell level vs. tissues/ organ level
    • number of germ layers
    • Development of and embryo
    • Symmetry
    • Presence of body cavity
    • Segmentation
  5. Animals that have 2 germ layers are ________? And are called _________ and _______?
    Diploblastic; ectoderm and endoderm
  6. Animals that have 3 germ layers are ________? And are made or _________, ________ and _______?
    Triploblastic; ectoderm, endoderm and mesoderm
  7. In _________ blastopore becomes the mouth?
  8. In _________ the blastopore becomes the anus?
  9. _________ have no fluid filled body cavity?
  10. _________ have fluid filled body cavity?
  11. __________ have enclosed fluid filled body cavity?
  12. The Ectoderm becomes the ______?
  13. The Endoderm becomes ________?
  14. The mesoderm becomes the ________?
    Everything in between
  15. The process of producing gametes is called ____________?
  16. Animals that contain both sexual reproduction parts are called _________?
    hermaphroditic (monoecious)
  17. Animals that have separate sexes are _______?
  18. What is the Phylum are sponges?
  19. ___________ skeleton is fluid willed body compartments and hydrostatic pressure provides support.
  20. __________ is and external skeleton that surround or protects the body surface
  21. __________ internal skeleton that provides body support.
  22. Define sponge body system
    • Support and movement- endoskeleton, spicules and other are embedded in a mesoglea 
    • no nervous system
    • gas exchange across cell walls
    • Phagocytosis and digestion in cells
    • Excretory through diffusion
  23. Name the three types of sponge structure
    • Asconoid- simple sac with large osculum 
    • Syconoid- medium complexity 
    • Leuconoid- Most complex, many pores and canals
  24. ________ are flat cells on the outside
  25. _____ are tubular cells for water flow
  26. ____ are flagellated cells that cause water to flow
  27. ________ are cells that move between moving food and secreting substances
  28. Name the threes major classes of sponges
    • Calcarea- Calcareous spongers
    • Hexatinellida- glass sponges
    • Demospongiae- bath sponges
  29. Define competiton
    Negative affect on both species
  30. Define mutualism
    Positive affect on both species
  31. Define commensalism
    Positive affect on one species and no affect on the other
  32. Define parasitism and predation
    Positive affect on one species and negative on the other
  33. What phylum do jellyfish belong to? _________ (comb jellies) and _______ (jellyfish) classes make up this phylum?
    Radiata; Ctenophora and Cnidaria
  34. Level of organization, # of germ layers and symmetry of Radiata?
    Tissue and organ, 2 germ layers (Diploblastic) and Radial
  35. Comb jelly have a ________ ___ digestive system with mouth and ___ anal pores?
    Complete gut; 2
  36. Jellyfish (cnidarian) digestive system have an ________ ___ = gastrovascular cavity?
    Incomplete gut
  37. Cnidarian (jellyfish) life cycle is?
    • Sessile Polyp 
    • Motile Medusa
  38. The Protostomes are divided into the 2 major clades __________ and _______?
    Lophotrochozoa and Ecdysozoa
  39. What phylum do flatworms belong to?
  40. Flatworms are ________ lacking that fluid filled body cavity
  41. _______ is the concentration of important organs in the anterior end of the organism
  42. ____ are some sense organs that detect light
  43. What are the three classes of Platyhelminthes (flatworms)?
    Turbellaria, Trematoda(flukes) and Cestoda(tapeworms)
  44. ________ host= host where parasite reaches adult stage
  45. ___________ host= host infected with earlier stages of parasite
  46. What is Schistosomiasis?
    Infection of blood flukes
  47. ______ is the anterior end in Cestoda (tapeworms) that attaches to host
  48. ______ is the repeating reproductive units in Cestoda (tapeworm)
  49. What phylum so rotifers belong to?
  50. Rotifera have ___________= hydrostatic skeleton
  51. What is Parthenogenetic?
    all females; diploid eggs are produced without meiosis or fertilization
  52. What three classes make up the phylum lophophorata?
    Phoronids, Bryozoans and Brachiopods
  53. What phylum do earthworms, leeches and segmented worms belong to?
  54. Sexual reproduction in Annelida is?
    Hermaphroditic or separate sexes
  55. Annelida have a _______=fluid-filled cavity present
  56. _________ is a body of repeating segments divided by septa, and parts of body systems are repeated in each segment
  57. Snails, slugs, chitons, oysters, clams, mussels, squids, octopi and scallops etc make up what phylum?
  58. Mollusca are ____balstic and are ____=fluid-filled cavity around their heart
    Triplobalstic, Coelomate
  59. Mollusca have a ____ circulatory system
  60. What are the four major class of Phylum Mollusca?
    Polypacohora(chitons), Gastropoda(snails, slugs), Bivalvia(calms, mussels),and Cephalopoda (Octopi, squids)
  61. What are the two major classes of the Phylum Ecdysozoans?
    Nematoda ( roundworms) and Arthropods ( arthropods)
  62. The process in which the exoskeleton is shed or molted id called _______?
  63. The phylum Nematoda is best for studying the _________ system?
  64. Phylum Arthropoda have and ___ circulatory system?
  65. The sub class Chelicerates are ______?
    Spiders, Scorpions, Horseshoe crabs
  66. The sub class Myriapods is made up of ______?
    Millipedes and centipedes
  67. The sub class hexapods is _____?
  68. The sub class Crustanceans is made up of ______?
    Crabs and relatives
  69. Subphylum Chelicerata (spiders) has __-__ of appendages? __ pair of chelicerae? __ pair of pedipalps? __-__ pairs of walking legs?
    6-7; 1; 1; 4-5
  70. The class Merostomata are _______ ___? The ___ is he shield? The ____ is the spike like tail? The ___ ___ are leaf like exposed gills?
    Horseshoe Crab; Carapace; Telson; Book Gills
  71. Class Archnida is ______?
    Spiders, mites, ticks, Scorpions
  72. Insects have an ___ circulatory system?
  73. ______ for air channel to take gases directly to tissues?
  74. _____= the ecological role and space that and organism occupies within an ecosystem
  75. Factors that help define a niche?
    Feeding, Temp/Climate, Body plan, Competition, mating, defense, locomotion, housing, behavior, life cycle, size
Card Set
Animals 1
Intro to Animals