Lecture2Terminology

Lecture2Terminology - Lecture 2 Terminology and Jargon...

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Lecture 2 Terminology and Jargon
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Plankton “wandering” or “drifting” (incapable of sustained, directed horizontal movement) Thalassiosira weissflogii Crab zoea jelly
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Nekton Active swimmers www.shellbackdon.com
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Benthos Inhabitants of the benthic environment (bottom of a body of water) www.ucsc.edu/opers/ scuba/ Pleurosigma Microbial mat community – Salt Pond, Bahamas
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Components of the Plankton 1. Virioplankton : Viruses ( phages : e.g., bacteriophage cyanophage) From L.M. Proctor and J. A Fuhrman 1990, Nature 343: 60 - 62 0.1 µm
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DNA protein coat sheath base plate tail fiber Virus = “noncellular infectious agent” Consists of genetic material surrounded by a protein coat Cannot reproduce by itself
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Components of the Plankton 2. Bacteria and Archaea = prokaryotic microbes (formerly called ‘bacterioplankton’) Prokaryotes: Cells without membrane-bound nuclei (Contrast Eukaryotes) Bacteria — free living or attached to larger particles Marine Archaea- very abundant
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Components of the Plankton 3. Mycoplankton : Fungi (not much known) 4. Phytoplankton : Photosynthetic microalgae (eukaryotes) and cyanobacteria (prokaryotes) 5. Zooplankton : Heterotrophic plankton Larval fish are called “icthyoplankton”
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Inspecting a small plankton net. In: "From the Surface to the
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This note was uploaded on 02/22/2012 for the course MSCI 102 taught by Professor Benner during the Spring '10 term at South Carolina.

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Lecture2Terminology - Lecture 2 Terminology and Jargon...

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