3.3 Vocabulary Quiz: Aquatic Ecosystems

A material that is deposited by water, wind or glaciers.

• Sediment

• Plankton

• Estuary

• Catfish

The area closest to the shore is called

• ozone

• littoral zone

• photic zone

• benthic zone

The open water area that is well lit and is dominated by plankton.

• Littoral zone

• Abyssal zone

• Limnetic zone

• Photic zone

These are free floating photosynthetic autotrophs that live in fresh water or marine ecosystems.

• Sea horses

• Plankton

• crawdads

• Profundal

Area where minimal light is able to penetrate through the limnetic one into the deepest areas of a large lake.

• Aphotic zone

• benthic zone

• Photic Zone

• Profundal zone

These are areas of land such as marshes, swamps and bogs that are saturated with water and support aquatic plants.

• Photic Zone

• Wetlands

• Benthic zone

• Coral Reefs

An ecosystem that is formed where fresh water from a river or stream merges with salt water from the ocean.

• Estuary

• Wetland

• Intertidal zone

• Coastal Ocean

A narrow band where ocean meets the land.

• Photic zone

• Aphotic zone

• Benthic zone

• Intertidal zone

Open ocean zone shallow enough for sunlight to penetrate.

• Aphotic zone

• Photic zone

• Benthic zone

• Abyssal zone

An area along the ocean floor that consists of sand, silt, and dead organisms

• Abyssal zone

• Photic zone

• Aphotic zone

• Benthic zone