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By Gary D. Wisehart, Erin C. Rempala, Michael J. Leboffe, David Ferguson

ISBN-10: 0895827859

ISBN-13: 9780895827852

This e-book is a full-color complement that gives photos of preserved specimens and pictures taken at numerous aquaria to supply assurance of organisms within the world's oceans. it truly is designed to accompany any marine biology textual content or laboratory guide. 3-hole drilled

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Bioluminescence also occurs (upper right photograph on page 27) in association with red tides. This red tide was caused by (C) Lingulodinium polyedrum, although (D) Gonyaulax spp. are more commonly associated with these events on the West Coast, while in F ­ lorida, Karenia brevis is typically the causative organism. (E and F) Many other flagellated unicellular organisms are found in the marine environment. However, the presence of one or more flagella is not unique to any particular clade and is minimally useful in identifying the organism.

C The remaining portion of the mud column becomes progressively more anaerobic. A gradient of sulfur compounds runs in the opposite direction. The different amounts of oxygen and sulfur compounds leads to layering of microbial communities adapted to that specific environment. This illustration is a generalized picture of the layering that you might see in a mature column. ) Starting at the top and working downward the layers are: air, water (containing algae and cyanobacteria), aerobic mud (sulfur-oxidizing bacteria), microaerophilic mud (non-sulfur, photosynthetic bacteria), red/purple zone (­ purple photosynthetic bacteria), green zone (green photosynthetic bacteria), and black anaerobic zone (sulfur-reducing bacteria).

The larger portion is the epitheca and the lower one the hypotheca. Where the valves overlap, two B 4-5 Basic Diatom Shapes (Stramenopiles) Diatoms present one of two basic shapes. (a) Pennate diatoms are elongated and may or may not be bilaterally symmetrical. This is a phase contrast micrograph of an unidentified pennate marine diatom. (b) Centric ­diatoms have radial symmetry. This is one of approximately 60 accepted species of Coscinodiscus. m 36 A Photographic Atlas of Marine Biology SECTION 2 Marine Bacteria, Archaeans, and Protists A B m 4-6 Diatom Valve and Girdle Views Each diatom frustule consists of an upper valve (epitheca) and a lower, smaller valve (hypotheca).

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A Photographic Atlas of Marine Biology by Gary D. Wisehart, Erin C. Rempala, Michael J. Leboffe, David Ferguson

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