He says polar animals are incredibly sensitive to temperature changes . `` Because of their extreme environments , they tend to be highly sensitive to temperature changes , '' said marine biologist James McClintock of the University of Alabama at Birmingham . Expert : Changes ` ` should be taken as warning of what may be coming elsewhere '' The temperature in the western Arctic is up one degree Fahrenheit . Krill will be among the first animals to have to adapt to warming temperatures .
He says polar animals are incredibly sensitive to temperature changes . Expert : Changes ` ` should be taken as warning of what may be coming elsewhere '' The temperature in the western Arctic is up one degree Fahrenheit . Krill will be among the first animals to have to adapt to warming temperatures .