display – n. a collection of things for people to look at
relocate – v. move to another place
aquarium – n. a building where fish and other animals are kept for people to look at
twitch – v. moving suddenly without the ability to control
petition – n. formal written request to take action
habitat – n. place where a plant or animal naturally lives
breed – v. to produce young animals
typical – adj. happening in the usual way
ticking – v. to make a small, quick, sound, especially made by a clock or watch
the clock is ticking – expression. used to express that something must be done quickly because there will soon be no time left