both refer to movie chains (i.e., Loews, AMC Theatres) with movie theatres that screen more than one film at a time, as opposed to single-screen theatres. A multiplex has from 2 up to 16 screens, a megaplex has 16 or more screens; plex is the abbreviation for a multiplex theatre.
A morula (Latin, morus: mulberry) is an early stage embryo consisting of cells (called blastomeres) in a solid ball contained within the zona pellucida.
Term: Copula Verbs. Definition: A copula (also spelled copular) verb is a verb that connects the subject to the complement. They are sometimes called linking verbs. EG: That food smells nice. ('Smells' connects the subject to the adjective that describes it.) The following are the principal Copula Verbs in English that can be used to connect the subject to an adjective: