Cultures of a bacterial strain were incubated in a refrigera…

Cultures of a bacterial strain were incubated in a refrigerator (5°C), on a lab bench (22°C), in a 37°C incubator, and in a 50°C incubator. After incubation, there was no growth at 37°C and 50°C, slight growth in the refrigerator, and abundant growth on the lab bench top. Which term best describes this organism?