What are the 2 types of pollution?
Point-source and Non-point source
Because many are highly sensitive to pollution, macroinvertebrates make good bio-_____
Bioindicators
The _ _ _ _ crab is abundant here and is an important fixture of the local economy
Blue crab
The dominance of sensitive organisms indicates:
Good water quality
What is this Standard NC Aquatic Species

Largemouth Bass
In coal-burning and nuclear power plants, water is used to absorb excess heat and is then returned to the river. What type of pollution does this cause?
Thermal pollution
Terrestrial animals that must live near water because they lay soft, jelly-like eggs like fish
Amphibians
This large bird loves to spend the winter in the lakes of this river basin
What is this Tolerant organism?:
Flatworm (Planeria)
What are the 2 colors of Crappies found throughout NC
Black and White 
What do human-made dams block?
Possible answers:
Spread of nutrient-rich sediments
Fish migration
Fish spawning sites
What are the 2 types of plankton
Zooplankton and Phytoplankton
(Phyto: autotrophic (ex: blue-green algae, diatoms)
Zoo: heterotrophic (ex: krill, water louse)
This bivalve mollusk is found where else on Earth but in the Tar River
Tar River spinymussel

What is this Sensitive organism?:

Water Penny
What is this Standard NC Aquatic Species (Hint: Look at the gills)

Bluegill
What is biomagnification (Hint: It has something to do with toxins in the ecosystem)
The accumulation of toxins higher up on the food chain
What do fish use to find their way back to the stream where they hatched to spawn?
Their nostrils
The Pamlico River ends at the coast, but it begins at the Tar River in this region of NC
Piedmont

What is this Moderately sensitive organism?:
(Hint: What type of insect nymph is this?)

Damselfly (nymph)
Which is an invasive species in NC? (The other is native)
Rainbow trout or Brook trout?
Rainbow trout is invasive

Acids, salts, and caustics belong to which pollution category?
Inorganic chemicals
Growth rings that fish scales grow from
How many people live in this river basin?
About 500,000
What type of fly larvae uses stones, leaves, and sticks to create a case around itself for protection?
Caddisfly larvae
One of the 2026 fish:
_ _ _ _ _ Sunfish
Green Sunfish