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Chesapeak Bay Watershed #2
McDuffie
34
Science
7th Grade
10/07/2013

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Cards

Term
What does SAV stand for.
Definition
Submereged Aquatic Vegitation
Term
Why are SAV's important
Definition
There a source of food (Geese,Ducks, crabs)
Habitat (small fish, molting crabs)
Stabilise bottom of bay/ filters sediment
Provides oxogen
Term
Why are SAV's dissapering
Definition
Sediment clouds water (no light)
too much algea from fertilizer cloudy water
toxic chemicals (acid rain, Roundup) kils SAV's
Term
Sooks
Definition
anothername for a female crab
Term
Jimmies
Definition
another name for a male crab
Term
Molt
Definition
to shed thier shell
Term
Spat
Definition
Baby Oyster
Term
One they get 3 inches long are they leagel
Definition
yes
Term
blue crabs begin there lives as what
Definition
larvea
Term
what is one trait of an oyster
Definition
changing gender
Term
what hapens when a crab grows
Definition
it molts
Term
Oysters do what to help the bay
Definition
They filter the bay
Term
100 years ago how many days did it take oysters to filter the bay
Definition
3 to 4 days
Term
What percent of the oysters remain now
Definition
1 percent
Term
What caused the oysters to have
Definition
MSX/DERMO, Overharvesting, Land Developing
Term
T/F oysters are one sex
Definition
no
Term
Plankon are orginizims that what
Definition
float in the current
Term
Phito Plankton
Definition
small plankton like algea
Term
Zooplankton
Definition
Animal plankton
Term
Copopods
Definition
A common type of plankton
Term
Foodweb
Definition
Food Chain
Term
Rockfish are also called what?
Definition
Striped Bass
Term
what is Moratoruim?
Definition
A ban on hunting or fishing
Term
What to Rockfish eat?
Definition
fish, soft crabs, eel
Term
Where do they spend most of thier lives?
Definition
Saltwater ocean.
Term
Most juvinille fish begin there lives where?
Definition
Shallow water, grassbeds, marshes
Term
What is countershading?
Definition
When the fish have two shades of camouflage
Term
How Rockfish recovered?
Definition
5 year moratourum, restored spawning grounds
Term
Femals are bigger than meales
Definition
true
Term
Feeds on what
Definition
clams, mussles, fish mollusks
Term
Can tell age by what
Definition
rings on its shell
Term
tempatur effects what
Definition
gender of offspring
Term
Only turtle to live in water
Definition
brackish water
Term
terripin pop was decimated why
Definition
terripin soup
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