1. Jellyfish bodies have an outer layer called the epidermis; a middle layer made of a jelly-like substance called mesoglea; and an inner layer, called the gastrodermis. Jellyfish have a very basic nervous system allowing jellyfish to smell, detect light, and respond to other stimuli. 2. Scallops clap their shells together to create a jet …
Cleaner shrimp will wave their antennae at fish as a way to have them stop for their cleaning services
Cleaner shrimp clean fish by removing parasites, dead tissue, and mucus from their bodies. This helps the fish in preventing them from getting sick or infested with parasites. These cleaning services help fish stay healthy. Cleaner shrimp benefit as well, since they get access to food that’s otherwise difficult for them to find.