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.
Crustaceans include crabs, lobsters, shrimp, and barnacles. insect, spider, crustacean-One major difference between insects, spiders, and crustaceans is the antennae; most insects have one pair, spiders have none, and crustaceans have two pairs.See also related terms for spider.rusâ¢taâ¢cean. 1. any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell, including lobsters, shrimps, crabs, barnacles, and wood lice. 2. belonging or pertaining to the Crustacea.