Which of the following statements are true/false?
$\left(\mathrm{A}\right)$ In Torpedo the electric organs are capable of generating strong electric shock to paralyze the prey.
$\left(\mathrm{B}\right)$ Bony fishes use pectoral, pelvic, dorsal anal and caudal fins in swimming.
$\left(\mathrm{C}\right)$ Amphibian skin is moist and has thick scales.
$\left(\mathrm{D}\right)$ Birds are poikilothermous animals.
$\left(\mathrm{E}\right)$ The most unique mammalian characteristic is the presence of milk producing mammary glands by which the young ones are nourished.