A remora is a type of fish with a unique suction cup on the underside of its body. It can often be found swimming next to or att
ached to a shark and it generally feeds on scraps of food from the shark's kill that are too small for the shark to eat. This relationship best illustrates what?
Explanation:provitamin A is preformed vitamin A .. The best source of these are animal sources than plant sources.. Best sources include diary foods,, meat and fish.
