| Term | Definition |
|---|---|
| Ecosystem | multiple parts of an environment working together |
| Biotic Factor | was alive or is alive |
| Abiotic Factor | never alive |
| Bioluminescent | when organisms make their own light |
| Estuary | fresh and salt water mixed, home to all kinds of life, marine ecosystem |
| Deep ocean | 1 km to 11 km, Midnight, Abyssal, Hadal |
| Trenches | cracks in the ocean floor caused by plates moving, in Hadal zone |
| Salinity | how much salt is in the water |
| Nekton | aquatic animals that can move and swim independently |
| Plankton | microorganisms floating in the water |
| Vacuole | used by marine plants to store salt water |
| Food Web | the process in which organisms eat, cycle of life |
| Hydro-thermal Vents | vents in the bottom of the ocean that release hot water |
| Ridge | when plates move together or apart causing mountain like structures |
| Water Pressure | how dense the water is, gets higher as you go down |
| Oceans | Large bodies of salt water that have many species living in them |
| Marine Organisms | different species that live in the ocean |
| Chemo-synthesis | making food with heat and chemical energy (tube worm) |
| Tides | the rise and fall of the ocean |
