In most animals the embryo is the sessile initial stage of the individual life cycle, and is followed by the emergence (that is, the hatching) of a motile stage.
(the embryo; is; the sessile initial stage of the individual life cycle; L:In most animals) (the embryo; is followed; ) (that; is; the hatching)
the embryo the embryo that
is is followed is
the sessile initial stage of the individual life cycle L:In most animals
the hatching