. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 100 1000 10000 2000 4000 Nest size, 6000 8000 Figure 2. Number of combs in swarm-constructed nests of Polybia occidentalis as a function of the total number of cells in the nest. The fitted regression is the power function, in = ' (r2 = n = 85 nests). Inset shows same data plotted on log-log axes with a fitted linear regression. Linear regression equation: Log m = — + C, (/-- = ). the preceding one, i - 1. Because the number of cells in a comb is proportional to the comb's area, while the comb'
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 100 1000 10000 2000 4000 Nest size, 6000 8000 Figure 2. Number of combs in swarm-constructed nests of Polybia occidentalis as a function of the total number of cells in the nest. The fitted regression is the power function, in = ' (r2 = n = 85 nests). Inset shows same data plotted on log-log axes with a fitted linear regression. Linear regression equation: Log m = — + C, (/-- = ). the preceding one, i - 1. Because the number of cells in a comb is proportional to the comb's area, while the comb's diameter increases as the square root of its area, the constant absolute increase in cell number from comb to comb gives the nest a campanulate shape (Fig. IB). Larger nests have larger combs The second pattern is that combs of larger nests were larger than the corresponding combs of smaller nests (Fig. 4). This pattern held both within the set of nests with the Larger nests have more combs Not surprisingly, larger nests contained more combs than did smaller ones, although there was considerable overlap in size between nests of m and m + 1 combs (Fig. 2). The distribution of the number of combs, m, in the nest as a function of nest size, C,, fits a power function with the equation 2000 m = *'. This relationship implies that each new comb was larger than the preceding one. This is seen more clearly in a plot of the number of cells in each successive comb (Fig. 3). The data fit the first-order linear regression equation C, = + where / is the ordinal number of the /''' comb in the nest. Thus, each new comb, /, had on average 192 more cells than O 1500 - rT E o 0 1000 C V) "o5 O 500. 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. );
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
