Fish are not able to regulate their body temperature by producing heat. How could a fish adjust its body temperature if it were too warm?
Aswimming into cooler water
Bevaporating water from its skin
Cexpelling water from its body
Dspeeding up its level of activity
Aswimming into cooler water
Bevaporating water from its skin
Cexpelling water from its body
Dspeeding up its level of activity