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Anthopleura Elegantissima - Term Papers

Anthopleura Elegantissima

The sea anemones that were collected for the “Clone Specific Segregation in the Sea Anemone ” experiment were collected by Lisbeth Francis in Pacific Grove, California (Biological Bulletin 1973, 144; 64-72). The topic of Francis’s report is the particularity of the constant anemone-free areas dividing contiguous accumulations of these anemones and the connection of these areas to the dispersion and manner of these anemones. In her report Francis describes how she did her experiment and the result of each step. Francis also includes a discussion section where she discusses advantages versus disadvantages of segregated aggregations and organisms that are similar to these sea ...

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of the experiments started. Only the most healthy anemones were used in the experiment. To free the anemones, Francis hit the bowl against a solid surface. To determine the sex of the anemones, they were severed and inspected for sex organs. When their sex organs are fully grown the female’s are brownish-pink and they male’s are yellowish-white. The anemones that contain one or more sex organs including oocytes or spermatocytes were recorded as having developed sex organs. The anemones were then placed in a drying oven for approximately 18 to 24 hours, so they could be dried to a constant weight.
The anemones living in clusters isolated from other clusters were inspected to ascertain whether or not the anemones from each cluster were different. The anemones living in the same cluster, Francis noticed, had identical color patterns. There were other color patterns observed, but they always occurred when the cluster was separated by an anemone-free area. In each of the ...

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Anthopleura Elegantissima. (2007, January 28). Retrieved December 23, 2024, from http://www.essayworld.com/essays/Anthopleura-Elegantissima/59421

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PAPER DETAILS

Added: 1/28/2007 06:29:17 PM
Category: Science & Nature
Type: Free Paper
Words: 1229
Pages: 5

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