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Chapter 48

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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1.31k views • 123 slides
Chapter 48

Chapter 48

Chapter 48. Nervous Systems. Nerve net. Figure 48.2a. (a) Hydra (cnidarian). Organization of Nervous Systems. The simplest animals with nervous systems, the cnidarians Have neurons arranged in nerve nets. Eyespot. Brain. Nerve cord. Transverse nerve. Figure 48.2c.

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834 views • 63 slides
Euglenoids

Euglenoids

Euglenoids. 18. Phacus. 21. Euglena. 3. Petalomonas. Astasia. (22). (23). Palmelloid Colonies. Lorica. 30. 20. 19. 31. Trachelomonas. Epiphytes, Periphyton. 24. 25. 26. Trypanosomes. Reservoir (Ampulla). 6. Flagellae. 5. Fig. 8.1 in Graham et al. 2008. Eyespot. 5. 17.

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629 views • 26 slides
Starfish

Starfish

Starfish. Preparation for Dissection. Background of Starfish. Phylum Echinodermata , class Asteroidea Brittle Stars are in the class Ophiuroidea Sharp spines, radial symmetry, and tube feet Have no front or back, they can move in any direction without turning

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2.15k views • 24 slides
Kingdom: Protista

Kingdom: Protista

Protists. Kingdom: Protista. Protists are unicellular organisms that have a nucleus. Similar to Bacteria. Unicellular One of the first groups of living things on Earth. (1.5 billion years ago.) Microscopic Can cause disease. Can be parasites. Same. Difference from Bacteria.

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317 views • 21 slides

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