Water cycle
When the atmosphere reaches its limit of water, it falls down out of the clouds, in a process called this.
What is precipitation (rain)?
This type of water is saltier than freshwater, but not as salty as saltwater.
What is brackish water?
Scientists classify wetland ecosystems into these two categories.
What are freshwater and saltwater?
Beavers create multi-species habitats by constructing these.
What are dams?
All fish species in the world can be classified as either bony fish, boneless fish, or these.
What are cartilaginous fish?
This occurs when water changes from a liquid state to a gas.
What is evaporation?
These are the two major types of aquatic environments.
What are saltwater and freshwater?
The most important factors in identifying an area as a wetland are these three H's.
What are hydrology, hydric soils, and hydrophytic plants?
Ponds will all eventually fill in with sediment and become other ecosystems, in a process called this.
What is succession?
Fish have internal ears, called these.
What are otoliths?
Together, the processes of evaporation and transpiration are known as this.
What is evapotranspiration?
The bottom of a water body is called this.
What is the benthic zone?
Hydrophytic vegetation includes plants that have adapted to live with these underwater.
What are the roots?
Lake Mattamuskeet is one of this type of lake.
What are Carolina bays?
Sharks have tiny tooth-like scales, called these.
What are placoid scales?
Another name for the water cycle.
What is the hydrologic cycle?
Sunlight only penetrates about this far into water.
What are 100 feet?
The minimum area for a lacustrine wetland.
What is 20 acres?
Baby beavers are called these.
What are kits?
Some fish use these to feel and sense for food in murky waters.
What are barbels (whiskers)?
This happens when water vapor solidifies directly into ice, with no intermediate stage.
What is deposition?
These materials cause water to become turbid.
What are suspended materials?
This flood plain has one of the largest intact bottomland hardwood forests in the mid-Atlantic region.
What is the Roanoke River flood plain?
This lake type is created by ancient waterfalls.
What are plunge pools?
Boneless fish have a circular tooth mouth, also called this, which they use to bore and suck blood.
What is a cyclostomic mouth?