Invertebrates Overview
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This document provides information about various invertebrate phyla through a series of pages with titles and images. It discusses characteristics of phyla including Ctenophora, Nemertia, Rotifera, Nematoda, Annelida, Mollusca, Arthropoda, and Echinodermata. Key details provided include habitat, locomotion, digestive and circulatory systems, and examples of common organisms within each phylum.
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Invertebrates Overview
- 1. INVERTEBRATES Ms.Miral
- 2. Phylum Phylum Ctenophora Nemertia Phylum Rotifera Phylum Molusca Phylum Nematoda Insert Your Page Phylum Title Annelida Insert Your Page Title Insert Your Page Title
- 3. Phylum Ctenophera • Comb Jellies • Resemble cnidarian medusas. • Use cilia for locomotion. • Mostly predators BACK
- 4. Phylum Ctenophera BACK
- 5. Phylum Nemertia • Ribbon Worms • Up to 30 meters in length • proboscis is used to capture prey. • Closed circulatory system. • Carnivorous BACK
- 6. Proboscis Feeding organ, long muscular tube BACK
- 7. Phylum Nemertia BACK
- 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. PHYLUM ROTIFERA BACK
- 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. Sinusoidal Wave Move by means of contraction of muscles of each side of the body alternately BACK
- 12. Phylum Insert Your Page Title Nematoda BACK
- 13. Phylum Insert Your Page Title Nematoda BACK
- 14. Phylum Insert Your Page Title Nematoda BACK
- 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. Insert Your Page Title • Three classes: a. Oligochaeta – earthworms b. Polychaeta – mostly marine c. Hirudinea – leeches BACK
- 17. Insert Your Page Title BACK
- 18. Insert Your Page Title BACK
- 19. Insert Your Page Title BACK
- 20. Insert Your Page Title BACK
- 21. Phylum • Mollusks Mollusca • Soft bodied animals but have hard protective shells • Habitat: Terrestrial, Aquatic • 150,000 known species BACK
- 22. 3 Regions of the Body Mollusks 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. Insert Your Page Title BACK
- 24. Insert Your Page Title BACK
- 25. POLPLACOPHORA • CHITONS BACK
- 26. POLPLACOPHORA BACK
- 27. GASTROPODA • SNAILS BACK
- 28. GASTROPODA • SNAILS BACK
- 29. GASTROPODA • SLUG BACK
- 30. GASTROPODA • SLUG BACK
- 31. BIVALVES • OYSTERS, CLAMS, MUSSELS BACK
- 32. BIVALVES • OYSTERS, CLAMS, MUSSELS BACK
- 33. BIVALVES • OYSTERS, CLAMS, MUSSELS O Oyster BACK
- 34. BIVALVES • OYSTERS, CLAMS, MUSSELS BACK
- 35. CEPHALOPODS • Rapid movement; well-developed nervous systems. • Example: Octopus, squid, nautilus BACK
- 36. CEPHALOPODS • Rapid movement; well-developed nervous systems. • Example: Octopus, squid, nautilus BACK
- 37. Phylum Arthropoda Jointed-foot Animals Nearly one million species identified so far, mostly insects. The exoskeleton, or cuticle, is composed of protein and chitin. Circulatory systems HABITAT and STRUCTURE OF MOUTH Aquatic members- gills for gas exchange; terrestrial members- tracheal system of branched tubes leading from surface throughout body. BACK
- 38. Insert Your Page Title BACK
- 39. Insert Your Page Title BACK
- 40. CRUSTACEANS • Ex. Crabs, Shrimps, Lobsters • Chelipers – Largest Pair BACK
- 41. CRUSTACEANS • Ex. Crabs, Shrimps, Lobsters • Chelipers – Largest Pair BACK
- 42. Arachnids BACK
- 43. Millipede BACK
- 44. Centipede BACK
- 45. Insecta BACK
- 46. INSECTA BACK
- 47. Millipede BACK
- 48. Millipede BACK
- 49. Millipede BACK
- 50. Phylum Echinodermata • Echinoderm • Spinny – Skinned Animals • Marine Animals • CHARACTERISTICS: - endoskeleton - tube feet - water vascular system - Regenerate BACK
- 51. Phylum Echinodermata • 3 Classes - Class Asteroidea – StarFish - Class Echingpea - Class Holothuridea – Sea Urchins - Sea Cucumber BACK
- 52. Phylum Echinodermata BACK
- 53. Insert Your Page Title END BACK