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Naturalist
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Introduction
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Module 1:
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Land vs. Water
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Underwater Animals and Divers
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The Taxonomic System
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The Taxonomic System Table
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Plants
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Algae
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Flowering Plants
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Single-celled animals
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Sponges
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Subregnum Eumetazoa
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Phylum cnidarians
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Phylum Annelida
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Phylum Mollusca
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Phylum Arthropoda
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Phylum Echinodermata
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Phylum Chordata
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Subphylum Vertebrata
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Agnatha
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Chondrichthyes
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Osteichtyes
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Amphibia
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Reptilia
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Mammalia
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Marine relationships
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Mutualism
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Commensalism
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Parasitism
Flowering plants are plants that returned from land to the water. Only 0.018% of all plants are found underwater. They are often mistaken for seaweed, but have real stems, leaves, roots and flowers. They are normally found in shallow water on sandy bottom.