What's A Morphing Call?

...Tyler let out a little gasp of realization. He shouted, "Wait!" Shelby turned around to him. "What? What's wrong?" Tyler looked at her with a serious expression, and said, "We need a morphing call." The pink ranger scoffed, telling him, "Oh and I suppose we allow him to pass through us with grace..."-Disregarding current morphing call of Dino Charge just for a moment.