River Systems and Watersheds
We live in the __________ watershed
What is the Tennessee River watershed
Roughly what percentage of Earth's water is freshwater?
What is 2.5%~
A constantly flowing, large body of water is called a what?
What is a river
A species that reflects the condition of its environment is called what?
What is an indicator species
Free Points!
Yay
A land area that drains water (such as rainfall and snowmelt) to creeks, streams, and rivers, and eventually to outflow points such as reservoirs, bays, and the ocean.
What is a watershed
What is the importance of wetlands?
Wetlands filter out pollutants, prevent flooding, & provide habitats for a variety of species.
True or False: the Tennessee River is the largest tributary of the Ohio River, and is considered to be one of the largest rivers in the United States.
True
Name three freshwater animal species found in Tennessee.
Will verbally check answers
True or False: Earth's water has been recycled for billions of years.
True, the water that we drink today is the same water that dinosaurs, wooly mammoths, and the first humans ever drank.
What are the benefits of a healthy watershed?
Clean drinking water/improved water quality, reduced risk for invasive species, increased revenue and job opportunities, etc.
What is urban runoff and how is it harmful?
It is a major source of water pollution. As the water runs along a surface, it picks up litter, petroleum, chemicals, fertilizers, and other toxic substances.
What is an area of land that is saturated with water for part of or all of the year?
What is a wetland
Hellbenders, caddisfly nymphs, mayfly larvae, and river otters are all examples of what?
What are freshwater indicator species
What invasive species might you find in or around the Tennessee River?
a) Duckweed, common cattail
b) Silver carp, Purple loosestrife
c) Brook trout, Blue heron
b) Silver carp, Purple loosestrife
Rivers or streams that flow into larger rivers or lakes are called...
a) Estuaries
b) Tributaries
c) Reservoirs
b) Tributaries
The primary use of freshwater in the US is for...
a) Hydroelectric power
b) Household use
c) Agriculture
c) Agriculture
True or False: most of Earth's freshwater is stored in glaciers and icecaps.
True, more than 68% of Earth's freshwater is found in glaciers and icecaps.
This invasive species was introduced to Florida in the 1970s as part of the exotic pet trade, and has since posed a major threat to the state's native wetland wildlife.
What is the Burmese python
Which of these is NOT an example of a freshwater body?
a) Spring
b) Bog
c) Estuary
c) Estuary
The transition area between land and water, such as the bank of a river, stream, or lake is called a...
a) Riparian zone
b) Drainage basin
c) Meander
a) Riparian zone
The main cause of freshwater pollution from farms is...
What is fertilizer runoff entering bodies of water
Wetlands can be categorized in many ways. Name at least one type of wetland.
Marshes, swamps, bogs, fens, etc.
Insects in their nymph and larval stages, snails, worms, crayfish, and clams that spend at least part of their lives in freshwater are called...
a) Aquatic macroinvertebrates
b) Aquatic microinvertebrates
c) Zooplankton
a) Aquatic macroinvertebrates
What is the study of freshwater ecosystems?
a) Hydrogeology
b) Pedology
c) Limnology
c) Limnology