| A | B |
|---|
| sediments | small particles that settle to the bottom of a body of water |
| coral reef | limestone ridges built by tiny coral polyps |
| estuary | an area where fresh water mixes with the ocean |
| coral bleaching | condition where coral spit out the algae |
| brackish | term to define water that is more saline than fresh water |
| hydrometer | instrument used to measure salinity |
| tubefoot | used for respiration |
| stomach | protrudes out the mouth for feeding |
| madreporite | opening to watervascular system |
| florida everglades | largest freshwater wetland |
| Chesapeak Bay | largest estuary |
| digestive glands | these fill the rays of a starfish |
| macronucleus | controls all activities of a paramecium |
| micronucleus | aids in reproduction |
| barrier islands | these run parallel to the shore and help protect the mainland |
| oral groove | food enters here on a paramecium |
| anal pore | where waste exits on a paramecium |
| flagella | euglena use these for movement |
| pseudopod | amoeba use this for movement |
| abyssal organisms | found below 2000 meters |
