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Table 2.

Comparisons ofCO2 of male and female tarantulas (Aphonopelma anax) walking at three submaximal speeds

TreadmillCO2 (ml l-1)
speed (m h-1)Females (N)Males (N)FP
36.36 1.52±0.17 (6) 1.10±0.14 (6) 0.06 0.81 
46.80 2.00±0.22 (4) 1.21±0.15 (5) 0.19 0.68 
55.44 2.19±0.28 (5) 1.51±0.16 (5) 0.08 0.78 
TreadmillCO2 (ml l-1)
speed (m h-1)Females (N)Males (N)FP
36.36 1.52±0.17 (6) 1.10±0.14 (6) 0.06 0.81 
46.80 2.00±0.22 (4) 1.21±0.15 (5) 0.19 0.68 
55.44 2.19±0.28 (5) 1.51±0.16 (5) 0.08 0.78 

Values are means ± S.E.M.

F values are from an analysis of covariance with the body mass as covariate.

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