If all insects are cold blooded then how do roaches and other insects survive in perpetually cold climates?

Question

some insects are known to be found on every coninent including Antartica, which boast a perpetually cold climate. However, all insects are cold blooded, which means they are incapable of producing their own body heat and therefore require external forms of heat (i.e. the sun) in order to sustain themselves. Same story with some reptiles. That being said, how is it that some insects, including roaches, are able to live in Antartica and other cold climates which lack the heat they require to survive? Where do they obtain heat?

Answer 1

They find the warmest place they can (usually in a human house). If it is not warm enough to get them energetic they just stay inactive. Sooner or later there will be enough sunshine to get them able to do an activity.

Answer 2

Because the generation of insects come and go so fast, they have the ability to evolve in a short period of time. Also, the sun is an old form of heat for cold-blooded animals.

Answer 3

check out this website...it has some good info!

http://coolcosmos.ipac.caltech.edu/image_galleries/ir_zoo/coldwarm.html

Answer 4

Maybe its their outter shell? Resiliant little ***** aren't they!