'Central nerve ring' presentation slideshows

Chapter 48

Chapter 48. The Nervous System. 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 3-D map of brain activity.

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Chapter 48: Nervous System

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Animal Diversity

Animal Diversity . Exploring the Categorization of Animal Species. The Tree of Life The three domains of life represent the earliest branches in evolutionary history. Characteristics of Animals . Eukaryotic Multicellular Heterotrophic Most are capable of sexual reproduction.

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Chapter 49

Chapter 49 . Nervous Systems. Objectives. To learn: the nervous systems of different animals the nervous systems of vertebrates the parts of the brain and their functions. Nervous Systems of Animals. Hydra (cnidarian). Sea Star (echinoderm). Absence of clustering neurons Radial symmetry

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The Nervous System

The Nervous System. Dani , Niral , and Sammy. Structure of the Nervous System . Consists of circuits of neurons and supporting cells

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By Hillary Goins Zoology 8 th Period

Echinoderms. By Hillary Goins Zoology 8 th Period. Basic Info on Echinoderms. Approximately 6,000 species Found in all oceans of the world Move by suction cup appendages and have skin covered with tiny, jaw-like pincers; their tube feet allow them to break open the shells of bivalves

186 views • 8 slides