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JAMB UTME - Biology - 2005

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At which temperature will cockroaches not survive after 10 days

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Cockroaches are ectothermic animals, meaning their body temperature is regulated by the surrounding environment. They are known to thrive in warm environments, with some species preferring temperatures above 30oC. Studies have shown that cockroaches exposed to temperatures below their lower thermal limits can lead to death. Therefore, the temperature at which cockroaches will not survive after 10 days will depend on the temperature being lower than their lower thermal limit. From the given options, the lowest temperature is 15oC, which is lower than the lower thermal limit for most species of cockroaches. Hence, 15oC is the most likely option for the temperature at which cockroaches will not survive after 10 days.
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