'Nerve net' presentation slideshows

Chapter 48

Chapter 48. Nervous Systems. Overview: Command and Control Center The human brain Contains an estimated 100 billion nerve cells, or neurons Each neuron May communicate with thousands of other neurons. Figure 48.1. Functional magnetic resonance imaging

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The Characteristics of Phylum Cnidaria

The Characteristics of Phylum Cnidaria. Phylum Cnidaria. Class Anthozoa. Class Hydrozoa. Class Scyphozoa. Class Cubozoa. Corals Anemones. Hydra Portuguese Man-Of-War Stinging Limu Fire Coral. True jellyfish. Box jellies Sea wasps. Characteristics of Phylum Cnidaria.

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Cnidarians

Cnidarians. Stinging Creatures. Also known as coelenterates. Includes jellyfish, sea anemones, hydra, coral The common characteristic is that they have stinging cells called cnidocytes located on tentacles. Cnidocyts contain threadlike stingers called nematocysts.

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Chapter 34

Chapter 34. Flatworms Roundworms Rotifers. Objectives. Summarize the distinguishing characteristics of flatworms. Describe the anatomy of a planarian. Compare free-living and parasitic flatworms. Diagram the life cycle of a fluke. Describe the life cycle of a tapeworm.

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Table of Contents

Flatworms, Roundworms, and Rotifers. Chapter 34. Table of Contents. Section 1 Platyhelminthes Section 2 Nematoda and Rotifera. Section 1 Platyhelminthes. Chapter 34. Objectives. Summarize the distinguishing characteristics of flatworms. Describe the anatomy of a planarian.

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Phylum Cnidaria

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Kingdom Animalia

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Unit 12: Nervous Control

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Bilaterally Symmetrical Worms

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Cnidarians

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Lecture #13

Lecture #13. Phylum Echinodermata. Features common to Phylum Echinodermata. 1. triploblastic 2. pentaradial symmetry in adults ; bilateral symmetry in larvae 3. coelomate 4. endoskeleton made of calcerous plates called ossicles 5. water vascular system for locomotion

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Phylum Cnidaria or Coelenterata

Phylum Cnidaria or Coelenterata. Jellyfish, anemones, corals. The Basics. Two tissue layers - an outer epidermis and an inner gastroderm Nerve net with stinging capsules called nematocysts Radial symmetry with 2 body types - a polyp and/or medusa.

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Echinoderms

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Learning Intentions

Learning Intentions. By the end of this lesson, you will be able to: Identify general characteristics of Phylum Cnidaria Describe functions of major structures in terms of life functions and explain their evolutionary significance (adaptations) Recall key ecological roles of cnidarians.

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Invertebrate Phylum: CNIDARIANS (Coelenterates)

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Cnidaria The beautiful wonders of the ocean

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Recent Advances in the Biology of Radiata

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The Origin of Diploblastic Organisms

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