Giraffes have long necks, which they use to browse the leaves of trees. They also have slightly elongated forelegs, about 10% longer than their hind legs. Like nearly all mammals, a giraffe has seven neck vertebrae, which are extremely. elongated.
A crustacean is an organism that belongs to the Kingdom Animalia, Phylum Arthropoda, and in the class Crustacea. Examples of the organisms belonging to this class are lobsters, woodlice, krill, shrimp, barnacles, crayfish, and crabs.
noun. Barnacles on the hull of a ship. Barnacles on the hull of a ship. The definition of a barnacle is a small crustacean that affixes itself to surfaces such as a rock, a large sea animal, or the part of a boat that is in the water.A shellfish that spends its adult life attached to a boat is an example of a barnacle.he definition of a barnacle is a small crustacean that affixes itself to surfaces such as a rock, a large sea animal, or the part of a boat that is in the water. A shellfish that spends its adult life attached to a boat is an example of a barnacle.