21.   Next, we were led to ponds containing marine animals and learned about everything from sea turtles to nurse sharks.

22.   Q. The particular type of marine animals you seek to protect at this moment are deep-sea fish.

23.   Researchers from Okeanos, an organization in Hampton Bays, N.Y., that rescues marine animals stranded or in distress, resumed the search at dawn without success.

24.   That means I study marine animals in their ecosystems to try to figure out how they can be protected.

25.   The aquarium has tanks of sharks and sea turtles and alligators and hundreds of other marine animals.

26.   The Cambrian was characterized by warm, shallow seas and the appearance of the first hard-shelled marine animals, like trilobites.

27.   The difference is believed to result from the accumulation of millions of dead microscopic marine animals called plankton.

28.   The EPA disagreed, saying it wants to require tests on only two specimens of marine animals.

29.   These kinds of adaptations are common, said Johnsen, the Woods Hole scientist, who studies how marine animals take in and process light.