| At all developmental stages sand dollars exhibit higher relative activities of p-gp activity than sea urchins. |
| The streets teem with hustling, bustling humanity, hag-like beggar women, street urchins and drunken revellers. |
| Divers have to look out for the barnacle covered surfaces and sea urchins as they explore the various levels of the King Cruiser. |
| The elimination of sea otters for their pelts allowed explosions of sea urchins that ate all the kelps. |
| These thick mats of seaweed create underwater jungles that are home to fish, urchins, and other marine life. |
| There were sea anemones, lots of colorful starfish, and even some sea urchins. |
