Orteza edited part 1 animal kingdom 97


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Orteza edited part 1 animal kingdom 97

  1. 1. .
  2. 2. General characteristics Multicellular Eukaryotic but with no cell walls Heterotrophs (consumers) With nervous system to respond to their environment Locomotion relates to ability to obtain food by moving to different places Most animals develop from a zygote to become a new organism (individual)
  3. 3. Animals that are irregular in shape are asymmetrical. Animals that are regular in shape are symmetrical.
  4. 4. An animal has radial symmetry if it can be divided along any plane, through a central axis, into equal halves. An animal has bilateral symmetry if it can be divided down its length into similar right and left halves forming mirror images of each other.
  5. 5. Though not all animals have a skeleton, those that do not have can be divided into two groups: Those with an exoskeleton – a hard, waxy coating on the outside of the body that protects internal organs, provides a framework for support, and a place for muscle attachment. Ex. Shrimp Those with an endoskeleton – support framework within the body that protects some organs and a brace for muscles to pull against. Ex. Squid
  6. 6. Phyla under Animal Kingdom
  7. 7. Phylum Porifera (pore-bearing animals) Characteristics: -the simplest form of animal life -live in water -cannot move around -no symmetry -with pores (holes) all over body
  8. 8. Filter Feeders: a sponge filters particles of food from water using collar cells and then pumps the water out the osculum.
  9. 9. Sponges
  10. 10. Sponges
  11. 11. Phylum Coelenterata (Cnidaria) hollowed-bodied animals Characteristics: Live in water Most have tentacles catch food with stinging cells(nematocyst) gut for digestion
  12. 12. Medusae
  13. 13. Carybdea sivickisiChironex fleckeri Chiropsalmus sp. Carukia barnesi
  14. 14. Coelenterates- Hydrozoans
  15. 15. Cyanea capillata ->
  16. 16. Polyp
  17. 17. Corymorpha nutans
  18. 18. Anthozoans Scypozoans
  19. 19. Urticina coriacea-> <- Anthopleura sola <- Anthopleura artemisia Metridium farcimen ->
  20. 20. Phylum Platyhelminthes (flatworms)  Flat, ribbon-like body  Live in water or are parasites  bilateral symmetry
  21. 21. Flatworms-turbellarians
  22. 22. Planaria
  23. 23. Two turbellarians mating by penis fencing. Each has two penises, the white spikes on the undersides of their heads. Pseudobiseros Polyclad
  24. 24. Flukes
  25. 25. Liver Fluke
  26. 26. Tapeworm-Taenia solium
  27. 27. Life cycle of Tapeworms
  28. 28. Phylum Nematoda (Nemathelminthes) Round worms Characteristics: -round, tubular body -some are small or microscopic -bilateral symmetry -have both a mouth and anus -live in water or are parasites
  29. 29. Hookworm Trichinella
  30. 30. Ascaris A large roundworm that lives in the intestines of pigs, horses and sometimes man Females are larger than the males and may reach a length of nearly twelve inches Ascaris eggs enter the human being in contaminated food or water They do not hatch in the stomach, but they begin to hatch within a few hours when they reach the small intestine A mature female lays about 200,000 eggs each day Ascaris seems relatively harmless in man, although occasionally a large number of adult worms twist together, block the intestine and cause death Infections are more common in children Adults become infected under conditions of lack of vitamins
  31. 31. Ascariasis
  32. 32. toxocariasis
  33. 33. Heart worm
  34. 34. Dracunculus
  35. 35. Loa loa Ancyclostoma
  36. 36. Elephantiasis
  37. 37. Phylum Annelida (segmented worms) Characteristics: Body divided into segments(sections) Live in water or underground have a nervous and circulatory system
  38. 38. Groups
  39. 39. Hirudinae:The LeechHirudinae:The Leech