An IP Gateway is needed to provide the communications between your computer and the World Wide Web. A Network Switch can send the data, or packets, to the intended computer because of the capabilities of an IP Gateway Router.
What is a Sea Flea? There is much confusion about what people mean when they refer to a sea flea. While there is a marine creature of the Leptostraca family found in the waters around Australia that is called a sea flea, more often the term is actually used to describe the jellyfish larvae that can make sea bathers break out is a rash.
Water fleas live in fresh water lakes, streams, ponds, puddles, and swamps.[11] Since water fleas are filter feeders, they are certainly not predators. The water flea makes a sort of jumping motion with it's appendages. If it didn't make this motion, it would sink right to the bottom.