All cnidarians move through what?
ecosystems the water cartilage moving plates intestinal black sand sponges tissue
A B C D E F G H
Aquatic animals moving through water are also subject to the principles of aerodynamics.
All cnidarians move through the water.
All cnidarians move through what? (A) ecosystems (B) the water (C) cartilage (D) moving plates (E) intestinal (F) black sand (G) sponges (H) tissue