(i) Parasitic, derive digested food from the host.
(it) Skin to breathe in water, lungs on land.
(iii) Whale is warm-blooded, give birth to young ones, has mammary glands.
(i) Parasitic, derive digested food from the host.
(it) Skin to breathe in water, lungs on land.
(iii) Whale is warm-blooded, give birth to young ones, has mammary glands.