Complex sentence: While the larvae survives from as low as 10 ° C, the growth of larvae increases with increasing temperature from 10 ° C to 35 ° C but decline rapidly afterwards and after 40 ° C, larvae start showing substantial mortality.
Split into simpler sentences: While the larvae survives from as low as 10 ° C, the growth of larvae changes with changing temperature. From 10 ° C to 35 ° C, growth increases, but declines rapidly at temperatures higher than 35 ° C. Past 40 ° C, larvae start showing substantial mortality.