Re: Why didn't the Animarium Worriers have morphers?
 

That would have been an interesting angle to keep in Wild Force. And a clear reason why the mask made the combination more powerful. Since the combination would have been the power up.

Re: Why didn't the Animarium Worriers have morphers?
 

The zord theory is a good idea. They could have found a way to connect to the grid. Or Animus did from his dimension. Just for another angle to that theory.