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.
Phylum Arthropoda, Subphylum Crustacea Crustaceans are specialized for life in the water Most possess gills to obtain oxygen Chitinous exoskeleton reinforced with CaCO3 Two pairs of antennae Barnacles are crustaceans!The wonderful world of crustaceans!he majority of marine arthropods are crustaceans (subphylum Crustacea). Crustaceans are distinguished from other Arthropods by their possession of a pair of biramous (two-parted) limbs, and by a nauplius larval stage. Includes barnacles, shrimp, krill, crabs, lobsters, and copepods.