MATING FREQUENCY IS RELATED TO SURFACE AREA AND SURFACE-AREATO- VOLUME RATIOS IN CENTROBOLUS COOK, 1897

COOPER, MARK I. (2022-11)

CITATION: COOPER, M., I., 2022. MATING FREQUENCY IS RELATED TO SURFACE AREA AND SURFACE-AREATO-VOLUME RATIOS IN CENTROBOLUS COOK, 1897. nternational Journal of Engineering Science Invention Research & Development IX(5):7 Pages

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Article

Abstract - I tested for relationships between male and female surface-area-to-volume ratios and mating frequency in red millipedes Centrobolus. Surface-area-to-volume ratios were related to mating frequency (r=-0.91, Z score=-5.61, n=16, p<0.01). Male surface-area-to-volume ratios appeared related to male mating frequencies (r=-0.93, Z score=-3.73, n=8, p<0.01). Female surface- area-to-volume ratios appeared related to female mating frequencies (r=-0.93, Z score=-3.63, n=8, p<0.01). There was a relationship between surface-area-to-volume ratios and mating frequencies when the sexes were pooled (r=-0.91, Z score=-5.61, n=16, p<0.01). There was no relationship between surface area-to-volume ratios and mating frequencies in C. inscriptus (r=0.21, Z score=0.48, n=8, p=0.32) or C. anulatus (r=- 0.20, Z score=-0.45, n=8, p=0.33). Surface areas were not related to mating frequencies (r=0.12, Z score=0.44, n=16, p=0.33). Surface areas were related to mating frequencies in males (r=0.93, Z score=3.73, n=8, p<0.01). Surface areas were related to mating frequencies in females (r=-0.93, Z score=-3.63, n=8, p<0.01). There was no relationship between surface area-tovolume ratios and mating frequencies in C. anulatus (r=-0.20, Z score=-0.45, n=8, p=0.33) or C. inscriptus (r=-0.21, Z score=-0.48, n=8, p=0.32).

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