. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 92 E. V. THUESEN AND J. J. CHILDRESS 60 5, -, VJ s 2 - U -i-4 10". 1 10 Mass (g) 100 1000 IO4 Figure 2. Citrate synthase activity as a function of wet weight for California medusae. The slope of the regression line is r = ;0'"; R = Symbols for medusae are given in Figure I. and also include Polyorcliis penicillatus (D) and other scyphomedusae (•). This investigation included one species of "benthic" medusa: I'allentinia adherens. In contrast to the pelagic lifes
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 92 E. V. THUESEN AND J. J. CHILDRESS 60 5, -, VJ s 2 - U -i-4 10". 1 10 Mass (g) 100 1000 IO4 Figure 2. Citrate synthase activity as a function of wet weight for California medusae. The slope of the regression line is r = ;0'"; R = Symbols for medusae are given in Figure I. and also include Polyorcliis penicillatus (D) and other scyphomedusae (•). This investigation included one species of "benthic" medusa: I'allentinia adherens. In contrast to the pelagic lifestyle of most medusae, I". adherens lives attached to kelp fronds and is exposed to much movement and water turbulence as it maintains itself near shore. We interpret the high CS activities in I'. adherens as an indication of a metabolically robust animal that is adapted to life in such a high-energy environment. Thus, we believe that the interspecific variability of enzyme activities in the me- dusae investigated in this study indicates different phys- iological adaptations to their environments. For example. Pelagia colorata and Periphylla periphylla have LDH ac- tivities in swimming muscle comparable to those of the w> ~ D C «J -a u 08 O (3 10 1 io-4 o o a-,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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