Animalia..2

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Animalia..2

  1. 1. INVERTEBRATES Ms.Miral
  2. 2. Phylum Phylum Ctenophora Nemertia Phylum Rotifera Phylum Molusca PhylumNematoda Insert Your Page Phylum Title Annelida Insert Your Page Title Insert Your Page Title
  3. 3. Phylum Ctenophera• Comb Jellies• Resemble cnidarian medusas.• Use cilia for locomotion.• Mostly predators BACK
  4. 4. PhylumCtenophera BACK
  5. 5. Phylum Nemertia• Ribbon Worms• Up to 30 meters in length• proboscis is used to capture prey.• Closed circulatory system.• Carnivorous BACK
  6. 6. ProboscisFeeding organ, long muscular tube BACK
  7. 7. PhylumNemertia BACK
  8. 8. PHYLUM• Rotifers ROTIFERA• Aquatic (dump soil, fresh/marine)• Sizes range from 0.5 to 2 mm• Complete digestive tract• Movement: - Somersaulting – wheel rotation• Reproduction - Parthogenesis (Unisexual) BACK
  9. 9. PHYLUM ROTIFERA BACK
  10. 10. Phylum Nematoda• Round Worms (Non – Segmented)• Habitat: Soil, fresh/salt water, bodies of some plants and animals• Complete digestive tract• Movement: Sinusoidal Wave• Mostly are parasites of animals » Ascaris, hookworm (parasite) » Vinegar eel (free living) BACK
  11. 11. Sinusoidal WaveMove by means of contraction of muscles of each side of the body alternately BACK
  12. 12. PhylumInsert Your Page Title Nematoda BACK
  13. 13. PhylumInsert Your Page Title Nematoda BACK
  14. 14. PhylumInsert Your Page Title Nematoda BACK
  15. 15. PHYLUM ANNELIDA• SEGMENTED WORMS• HABITAT: terrestrial, aquatic• REPRODUCTION: Hermaphrodite that cross- fertilize• Well develop organ (D.S, C.S, N.S, R.S) BACK
  16. 16. Insert Your Page Title• Three classes: a. Oligochaeta – earthworms b. Polychaeta – mostly marine c. Hirudinea – leeches BACK
  17. 17. Insert Your Page Title BACK
  18. 18. Insert Your Page Title BACK
  19. 19. Insert Your Page Title BACK
  20. 20. Insert Your Page Title BACK
  21. 21. Phylum• Mollusks Mollusca• Soft bodied animals but have hard protective shells• Habitat: Terrestrial, Aquatic• 150,000 known species BACK
  22. 22. 3 Regions of the BodyMollusks have three body regions.1. The head contains the "brain" and the sense organs.2. The "visceral mass" contains the internal organs.3. The "foot" is the muscular part of the body. BACK
  23. 23. Insert Your Page Title BACK
  24. 24. Insert Your Page Title BACK
  25. 25. POLPLACOPHORA• CHITONS BACK
  26. 26. POLPLACOPHORA BACK
  27. 27. GASTROPODA• SNAILS BACK
  28. 28. GASTROPODA• SNAILS BACK
  29. 29. GASTROPODA• SLUG BACK
  30. 30. GASTROPODA• SLUG BACK
  31. 31. BIVALVES• OYSTERS, CLAMS, MUSSELS BACK
  32. 32. BIVALVES• OYSTERS, CLAMS, MUSSELS BACK
  33. 33. BIVALVES• OYSTERS, CLAMS, MUSSELSO Oyster BACK
  34. 34. BIVALVES• OYSTERS, CLAMS, MUSSELS BACK
  35. 35. CEPHALOPODS• Rapid movement; well-developed nervous systems.• Example: Octopus, squid, nautilus BACK
  36. 36. CEPHALOPODS• Rapid movement; well-developed nervous systems.• Example: Octopus, squid, nautilus BACK
  37. 37. Phylum ArthropodaJointed-foot AnimalsNearly one million species identified so far, mostly insects.The exoskeleton, or cuticle, is composed of protein and chitin.Circulatory systemsHABITAT and STRUCTURE OF MOUTHAquatic members- gills for gas exchange;terrestrial members- tracheal system of branched tubes leading fromsurface throughout body. BACK
  38. 38. Insert Your Page Title BACK
  39. 39. Insert Your Page Title BACK
  40. 40. CRUSTACEANS• Ex. Crabs, Shrimps, Lobsters• Chelipers – Largest Pair BACK
  41. 41. CRUSTACEANS• Ex. Crabs, Shrimps, Lobsters• Chelipers – Largest Pair BACK
  42. 42. Arachnids BACK
  43. 43. Millipede BACK
  44. 44. Centipede BACK
  45. 45. Insecta BACK
  46. 46. INSECTA BACK
  47. 47. Millipede BACK
  48. 48. Millipede BACK
  49. 49. Millipede BACK
  50. 50. Phylum Echinodermata• Echinoderm• Spinny – Skinned Animals• Marine Animals• CHARACTERISTICS: - endoskeleton - tube feet - water vascular system - Regenerate BACK
  51. 51. Phylum Echinodermata• 3 Classes - Class Asteroidea – StarFish - Class Echingpea - Class Holothuridea – Sea Urchins - Sea Cucumber BACK
  52. 52. Phylum Echinodermata BACK
  53. 53. Insert Your Page TitleEND BACK

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