A
all organisms that swim actively in open water, independent of currents.
Nekton
Freshwater swamps are the ideal habitat for ________________________ because of the continuous moisture.
Amphibians
Natural, gradual changes in the types of species that live in an area and the gradual replacement of one plant community by another through natural processes over time.
Succession
All animals, organisms, and even humans make these in order to survive in their environments. Also means change.
Adaptations
bottom-dwelling organisms of the sea or ocean and are often attached to hard surfaces.
Benthos
areas of land that are covered with fresh water for part of the year.
Freshwater Wetland
This type of succession takes several hundred to a few thousand years
Primary
Salinity is the amount of ______________ in a body of water.
Salt
The main line of latitude that divides the earth into two equal parts.
Equator
This succession happens much faster and Occurs when a plant community has been destroyed without severe disturbance to the soil.
Secondary
What are the two types of Succession?
Primary and Secondary
The mass of mostly microscopic organisms that float or drift freely in the water
Plankton
These 3 aquatic ecosystems form where groundwater reaches the Earth's Surface.
Lakes, Ponds, and Wetlands
The starting point for measuring Longitude is what main line?
Prime Meridian
This type is succession is initiated by an events such as a forest fire, hurricane, or harvesting a crop
Secondary
What are the three groups of aquatic organisms?
Plankton, Nekton, and Benthos
Wetlands are important because they control _____________________ by absorbing extra water when rivers overflow.
An area where fresh water from rivers mixes with salt water from the ocean.
Estuary
Lichens are also called what?
Pioneer Species
Name the Cardinal Directions
North, South, East, West
Explain the Human impact on the Wetlands and how it has changed.
•Wetlands were previously considered to be wastelands that provide breeding grounds for insects.
•As a result, many have been drained, filled, and cleared for farms or residential and commercial development.
•The importance of wetlands is now recognized, as the law and the federal government protect many wetlands while most states now prohibit the destruction of certain wetlands.
Which directions do Lines of Latitude run?
Lines of Longitude?
Latitude - East to West
Longitude - North to South
What are the 4 factors that determine which organisms live in which area of water?
Temperature, Sunlight, oxygen, and nutrients
Humans have affected rivers because we use them to dispose of our ______________ and _____________.
Garbage, Sewage
What are the two types of Wetlands?
Marshes and Swamps