Replies to: What does credit hours mean? A class is usually 3 to 5 credit hours, which roughly refers to the number of hours of lecture per week. For example, a 3-hour class would meet MWF for 50 minutes or TuTh for one hour and 15 minutes. A 5-hour class might meet everyday for 50 minutes, e.g. foreign languages.
The answer is not as complicated as some people may think and yet the method is very effective, even fatal to the predator at times. All jellyfish have tentacles which they use to not only navigate and sometimes swim depending on the species but to also protect themselves from harm.These tentacles are used by the jellyfish to sting those who are preying on them.he answer is not as complicated as some people may think and yet the method is very effective, even fatal to the predator at times. All jellyfish have tentacles which they use to not only navigate and sometimes swim depending on the species but to also protect themselves from harm.
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.