| A | B |
| Aquatic Animals | Swimming animals are often called |
| Nekton | Animals that can swim |
| Nektonic | Whales, seals, fishes, sea snakes turtles, octopuses and squid are called |
| benthos/benthic animals | Animals that don't swim but scurry, hop, scoot, burrow, of slither across the bottom |
| sessile | A benthic animal like a sponge that sticks itself to one place and just sits there. |
| planktos | means to wander or drift |
| phytoplankton | a plankton that is like a plant, they use sun to make their food |
| zooplankton | a plankton that is like an animal they eat to get food |
| Mammals | warm blooded creatures that breath air, give birth and drink milk from their mothers |
| reptiles | Cold blooded creatures that breath air, lay eggs and have back bones |
| amphibians | animals that are like reptiles but do not have scales |
| fishes | cold blooded, have scales like a reptile but do not breath air |
| invertebrates | animals that do not have a backbone they are crabs, sand dollars, and sea urchins |
| surface currents | currents that form at the surface of the ocean, formed by wind |
| gyres | circular patters that that are formed in surface currents |
| thermohaline currents | a deep ocean current that is caused by the heat in the water and the amout of salt that causes the water to sink or rise |
| high tide | when the water in the ocean come high up onto shore |
| low tide | when the ocean waters pul back from the shores |
| spring tides | during a full moon or new moon the tides higher then normal and lower then normal |
| neep tides | when high tides are lower and low tides are higher |
| seas | smaller then oceans, made up of salt water and are connected to oceans |
| estuary | a place where a river meets with an ocean |
| continental shelf | part of the continent that is under water |
| continental slope | deeper into the ocean from the continental shelf this the drop off into the deep ocean |
| continental rise | the gentle slope at the base of the continental slope this meets with the dark ocean floor |
| abyssal plain | the deep, dark ocean floor |
| sunlit zone | area in ocean that is well lit by the sun |
| twilight zone | fairly dark part of ocean |
| midnight zone | area of ocean where there is no sunlight |
| bioluminescence | amimals that have the ability to make there own light. much like a firefly |
| submersibles | under water space ships |