Kingdom animalia

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Kingdom animalia

  1. 1. Kingdom Animalia
  2. 2. Characteristics of Animals <ul><li>Multi-cellular </li></ul><ul><li>Specialized (adapted for particular function) </li></ul><ul><li>Examples? </li></ul><ul><li>Heterotrophs </li></ul><ul><li>Mostly sexual repro, some asexual </li></ul><ul><li>Ability to move </li></ul><ul><li>Includes invertebrates, vertebrates </li></ul>
  3. 3. Body Plan/Morphology <ul><li>Symmetry: a pattern of structure </li></ul><ul><li>Asymmetry - no pattern </li></ul><ul><li>Radial symmetry - body parts branch out from a central point </li></ul><ul><li>Bilateral symmetry - pattern is a mirror image along each side of a line </li></ul><ul><li>Exhibit “cephalization” </li></ul>
  4. 4. Asymmetry
  5. 5. Radial Symmetry
  6. 6. Bilateral Symmetry
  7. 7. <ul><li>Germ layers: </li></ul><ul><li>Fundamental tissue types found in animals </li></ul><ul><li>Gives rise to other tissues </li></ul><ul><li>Body cavities: </li></ul><ul><li>Allow for organization of the animal </li></ul><ul><li>Also helps with movement in some </li></ul>
  8. 8. Invertebrates <ul><li>Have radial or bilateral symmetry </li></ul><ul><li>Some are segmented </li></ul><ul><li>Body support is diverse ……. </li></ul><ul><li>Carbon dioxide as a by-product of metabolism </li></ul><ul><li>Most animals have a circulatory system </li></ul><ul><li>Digestion done by absorption </li></ul><ul><li>Nervous system varies in complexity </li></ul><ul><li>Reproduction is sexual or asexual……or hermaphroditic in some species </li></ul>
  9. 9. Vertebrates <ul><li>Include fishes, amphibians, reptiles, birds, and mammals </li></ul><ul><li>All except fishes spend part of their life on land </li></ul><ul><li>Body support - endoskeleton </li></ul><ul><li>Skeleton designed to suit animal’s needs </li></ul><ul><li>Body coverings - designed to hold water inside the body </li></ul><ul><li>Closed circulatory systems </li></ul><ul><li>Digestion occurs in the gut </li></ul><ul><li>More-developed nervous system </li></ul><ul><li>Internal, external fertilization </li></ul>
  10. 10. Phylum Chordata <ul><li>Vertebrates fall into this phylum </li></ul><ul><li>Called chordates </li></ul><ul><li>Features include: </li></ul><ul><li>Notochord - develops into backbone </li></ul><ul><li>Dorsal hollow nerve cord - becomes brain, spinal cord </li></ul><ul><li>Pharyngeal pouches - outpockets of digestive tract </li></ul><ul><li>Postanal tail - behind anal opening </li></ul>

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