The effect temperature has on Madagascar hissing cockroaches (Gromphadorhina portentosa) and their CO2 production

Tiffany Stephens, Jasmin Smith, Brianna hope Scott, Sierra Williams, Abigail Leach


Ectotherms use the temperature of the environment to regulate body temperature. Our experiment tested how environmental temperature effected Madagascar hissing cockroaches’ respiration levels. Testing a group of these cockroaches at three different temperatures to get the trend for around room temperature. Our hypothesis that there would be a direct positive relationship between CO2 production and ambient temperature. The data shows an increase from the lowest temperature to the highest, as previously predicted. The difference between the last two temperatures takes a steeper increase unlike the previous gradual increase. The idea of a positive relationship between the two variables being supported for the tested temperatures.

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