| Answer | Crossword Clue |
|---|---|
| CRUSTACEA | Water fleas, barnacles, etc. |
| barnacles | A marine crustacean with an external shell, which attaches itself permanently to a variety of surfaces. Barnacles feed by filtering particles from the water using their modified feathery legs |
| cladocerans | A minute branchiopod crustacean of the order Cladocera, which includes the water fleas |
| cladoceran | A minute branchiopod crustacean of the order Cladocera, which includes the water fleas |
