Well, considering that seagulls, bears, and cows are warm blooded mammals, and spiders are arachnids with an exoskeleton, I'm willing to bet that spiders are ectothermic. And isn't the word exothermic?
Skeletal muscles are one of the three muscle types they are a form of striated muscle tissue.
they need energy because there cells need to reproduce
This statement is true, because the warmer the temperature, the faster the atoms move in a liquid
