In a reverse hierarchy, the conceptual pyramid of authority is turned upside-down, so that the apex is at the bottom and the base is at the top. This model represents the idea that members of the higher rankings are responsible for the members of the lower rankings.
Along the sides of the body is a light-colored horizontal stripe called the lateral line. The line is made up of a series of tiny pores that lead to receptors that are sensitive to the mechanical movement of water and sudden changes of pressure.The spiny dogfish has a double dorsal fin.The anterior dorsal fin is larger than the posterior dorsal fin.The spiny dogfish has the presence two spines, one immediately in front of each dorsal fin. The spines carry a poison secreted by glands at their base.he spiny dogfish has a double dorsal fin. The anterior dorsal fin is larger than the posterior dorsal fin. The spiny dogfish has the presence two spines, one immediately in front of each dorsal fin. The spines carry a poison secreted by glands at their base.
Essential Functions: Body Structure: The White Spotted Jellyfish's body structure is in the shape of a bell or umbrella, entirely known as the the medusa. It's parts contain of the tentacles, the mouth which is also the anus, the Gastrodermis, Mesoglea, Epidermis and the Gastrovascular Cavity.hose jellyfish such as the white spotted jellyfish can swim using a form of jet propulsion in order to allow them to move throughout the water. Jellyfish move by squeezing their bodies so that jets of water from the bottom of their bodies are pushed out which causes the jellyfish to be propelled forward.