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Animal APBio
- 6. Body Symmetry and Cephalization Central Axis A Radial Plane Another Radial Plane (a) Radial Symmetry Sagittal Plane Anterior Posterior (b) Bilateral Symmetry
- 8. Body Cavities: The Acoelomates Digestive Cavity Digestive Lining Solid Tissue Body Wall No cavity between body wall & digestive tract Cnidaria
- 10. Body Cavities: The Pseudocoelomates Digestive Cavity Digestive Tract Pseudocoelom Body Wall Body cavity partially lined with mesoderm Partial Lining Nematoda
- 12. Body Cavities: The True Coelomates Digestive Cavity Digestive Tract Coelom Body Wall Body cavity completely lined with mesoderm Complete Lining Annelida
- 14. Evolutionary Tree of Major Animal Phyla Porifera No true tissues True tissues 2 tissue layers; radial symmetry Ctenophora Cnidaria 3 tissue layers; bilateral symmetry Platyhelminthes No body cavity Body cavity Pseudocoel Nematoda Rotifera Coelom Protostome development Annelida Mollusca Insecta Deuterostome development Mammalia Echino- dermata
- 16. The Body Plan of Sponges Osculum Epithelial Cell Spicules Amoeboid Cells Pore Cell Collar Cell Pore Water Flow
- 18. Cnidarian Body: The Polyp Mouth Tentacle Body Wall Mesoglea Gastrovascular Lining Gastrovascular Cavity Foot Column
- 19. Cnidarian Body: The Medusa Mouth Tentacle Body Wall Mesoglea Gastrovascular Lining Gastrovascular Cavity
- 20. Cnidarian Weaponry: The Cnidocyte Armed Cnidocyte Body Wall Water Filament Trigger Nuclei Spent Cnidocyte
- 22. Flatworm Organ Systems (a) Digestive System Gastrovascular Cavity Pharynx (b1) Excretory System Excretory Canal Excretory Pore (b2) Nervous System Nerve Cord Brain
- 23. Life Cycle of Human Pork Tapeworm Measly pork marketed for human consumption. Larvae migrate through vessels to pig muscles & encyst there. Larvae hatch in pig intestine Pig eats food contaminated by infected feces Adult tapeworm Human eats poorly cooked pork with live cysts. Larval tapeworm liberated by digestion & attaches to human intestine. Head with hooks & suckers Tapeworm matures in human intestine, producing a series of reproductive segments. Egg-filled segments are shed from worm & passed in human feces.
- 25. Heartworms in the Heart of a Dog Open heart of dog Female heartworms
- 27. An Annelid: the Earthworm Mouth Brain Pharynx Ventral Vessel Ventral Nerve Cord Hearts Esophagus Crop Gizzard Intestine Ventral Nerve Cord Anus Coelom Intestine Excretory Pore Nephridia Coelom
- 32. Insect Body Plan Wing Abdomen Thorax Head Antennae Compound Eyes Mouth Parts
- 34. A Generalized Mollusk Tentacle Eye Mouth Radula Foot Ganglia (brain) Digestive Tract Gonad Nerve Cords Heart Coelom Shell Mantle Anus Gill
- 36. Water-Vascular System of Echinoderms Ampulla Canals Plates of Endoskeleton Tube Feet Sieve Plate A Mussel (clam) Photo (ventral)
- 41. The Lancelet: An Invertebrate Chordate Notochord Nerve Cord Gill Slits Mouth Gut Muscle Segments Tail Anus
- 42. The Tunicate: An Invertebrate Chordate Gill Slits Brain Mouth Gut Heart Notochord Nerve Cord Water Exit ADULT LARVA
- 44. A Hagfish
- 58. Bats, the Only Flying Mammals
- 59. The End