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Ch Bay
Upshur
44
Science
10/07/2013

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Cards

Term
What does SAV stand for?
Definition
Submerged Aquatic Vegetation
Term
What does a SAV do?
Definition
Provide rich food, and a grass bed. Also helps stabolize the bottom of the bay.
Term
Why are SAV's dissapearing?
Definition
Toxic chemicals, fertilizers, algae
Term
What are juvenile oysters called?
Definition
Spat
Term
How long does an oyster have to be to be caught?
Definition
3 inches
Term
How do oysters filter?
Definition
Suck water into there shells.
Term
This system greatly improves the bay.
Definition
true
Term
Oysters can change there gender.
Definition
true
Term
How long does it take oysters to filter the bay?
Definition
A few days.
Term
What are the 2 diseases that kill oysters?
Definition
MSX and Dermo
Term
What are blue carbs start off as?
Definition
Larva
Term
What are female crabs called?
Definition
Sooks
Term
What are male crabs called?
Definition
Jimmies
Term
When does the male carry the female crab?
Definition
Until it molts.
Term
What does Zoea mean?
Definition
small larva crabs.
Term
What does megalops mean?
Definition
the next stage of larva
Term
when do crabs megalops become full grown?
Definition
after about several months
Term
How long do crabs live?
Definition
3-4 years
Term
How many legs do crabs have?
Definition
10
Term
What is an exoskeleton?
Definition
a hard shell with pointy ends that help protect from predators.
Term
3/4 legal blue crabs are caught each year.
Definition
true
Term
Plankton
Definition
organisms which passivly drift with the current.
Term
phytoplankton
Definition
the most numerous plankton in the bay.
Term
zooplankton
Definition
plankton controled by tital current.
Term
copepods
Definition
plankton that never grow to be bigger than a pencil
Term
food web
Definition
An interconnected system
Term
What is another name for rockfish?
Definition
stipred bass
Term
moratorium
Definition
a ban
Term
Why has the rockfish pop. come back?
Definition
5 year moratorium/spawning grounds
Term
What do striped bass eat?
Definition
eels, soft crabs, and many small fish
Term
When do striped bass swim in saltwater?
Definition
April
Term
When do small striped bass spend there lives
Definition
In SAV
Term
What is the striped bass' camouflage known as?
Definition
counter shading
Term
How do Menhaden eat?
Definition
They filter fead
Term
What do they eat?
Definition
Phytoplankton (algae)
Term
What are there predators?
Definition
Blue fish, stripped bass
Term
What do human use them for?
Definition
Oils, and animal food.
Term
What is omega protein and what do they do?
Definition
A company that catches and produces Menhaden
Term
only turtle in the world that lives in brackish.
Definition
diamondback terrapin
Term
What does the dimond back eat?
Definition
mussles,clams,fish
Term
Which dimonback gender is larger?
Definition
female
Term
In Warmer temperature...
Definition
females hatch more eggs.
Term
You can tell the age...
Definition
by the amount of rings on a shell.
Term
Population decreased because..
Definition
of soup.