Recognize that all organisms are composed of cells and that many organisms are unicellular and must carry out all life functions in one cell. 3.1.6.A5 Describe basic structures that plants and animals have that contribute to their ability to make or find food and reproduce.
Crabs are crustaceans and all crustaceans belong to the taxonomic domain of Eukarya, which are characterised by having cells with nuclei. Eukarya covers all organisms in the Kingdom Animalia, as well as the Kingdoms Plantae, Fungi and Protista.
The largest crab in the world is the giant Japanese Spider Crab. This giant crab can be found In Suruga Bay off of the coast of Japan. This species of marine crab named the Japanese Spider Crab that has the largest leg span of any arthropod known to exist.