| 1. mammal |
a
shallow, saltwater area by the sea but separated from it by sandbars
or by coral reefs or islands. |
| 2. atoll |
the
hard skeleton secreted by certain marine polyps of tropical seas,
deposited in masses that form reefs or atolls. |
| 3. sediment |
a
vessel capable of functioning under water. |
| 4. abyss |
the
process in plants by which sunlight, with the help of chlorophyll,
is converted to chemical energy that is used to synthesize inorganic
compounds into organic ones, esp. sugars. |
| 5. photosynthesis |
any
of the vertebrate animals that feed their babies with milk from
the female mammary glands and usu. produce living young. |
| 6. estuary |
solid
material that settles to the bottom of a liquid. |
| 7. submersible |
any
of a large group of segmented invertebrates, such as shrimp and
crabs, that usu. live in water and have hard shells. |
| 8. crustacean |
the
wide part of a river's lower end, where it meets the tides of the
sea. |
| 9. tide |
a
vast, unmeasurable space; bottomless pit. |
| 10. plankton |
free-floating,
usu. microscopic plant and animal life found in fresh or salt water. |
| 11. coral |
a
ring-shaped island or reef that surrounds a lagoon. |
| 12. lagoon |
the
periodic change, occurring about every twelve hours, in the height
of the surface of oceans and bodies of water near or feeding into
them, caused by the gravitational pull of the moon and sun. |