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Cheasapeake Bay Watershed #2
Will Sharps
43
Science
7th Grade
10/07/2013

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Cards

Term
What is an SAV
Definition
Sumbmerged aquatic Vegetation
Term
How are SAV's important
Definition
1. food source
2. Habitat
3. Stabilize bottom of the Bay/ 4.filters and traps sediment
Term
Why are Sav's disappearing
Definition
1. sediment
2. to much algae
3. toxic chemicals
Term
What do crabs start their lives as?
Definition
larvae
Term
What are female crabs called?
Definition
Sooks or sallies
Term
What are male crabs called?
Definition
Jimmies
Term
What is it called when a crab loses it's shell to grow a bigger one?
Definition
molting
Term
After larvae what is the next form of a crab?
Definition
zoea
Term
What is the third stage of a crab;s growth process
Definition
megalops
Term
What type of plankton are the larvae form of crabs considered?
Definition
zooplankton
Term
How long is the life span of a crab?
Definition
3 years
Term
How many legs do blue crabs have?
Definition
10 legs
Term
What kind of skeleton does a crab have>
Definition
exoskeleton
Term
What fraction of full grown crabs are eaten
Definition
3/4
Term
What are juevinille oysters called
Definition
Spat
Term
True Or False oysters can change their gender
Definition
True
Term
How big is a fully grown oyster
Definition
3 inches
Term
How do oysters eat
Definition
oysters eat by sucking water into their shells and filtering out small plants
Term
How many days did it take oysters to filter the bay
Definition
3-4 days
Term
How much of the oyster mpopulation reamins
Definition
less than 1%
Term
what are the 4 reasons oysters are dying
Definition
disease
no hard surface
sedimentation
Term
Plankton
Definition
small organisms that passivly drift with the current
Term
Phytoplankton
Definition
plant like plankton
Term
Zooplankton
Definition
animal plankton
Term
Copepods
Definition
common type of zooplankton
Term
Foodweb
Definition
one thing eats another
Term
what is antother name for rockfish
Definition
striped bass
Term
what is a matorium
Definition
ban on hunting of fishing
Term
what do rockfish feed on
Definition
soft crabs, eel, fish
Term
True or false rockfish live most of their live in fresh water
Definition
false
Term
Where do young rockfish begin their lives
Definition
marshes- shallow water
Term
What type of camouflage do rockfish use
Definition
counter-shading
Term
in what year was the matorium made
Definition
1985
Term
how do menhaden eat?
Definition
filter feeding
Term
what do they eat?
Definition
phytoplankton
Term
what are their predators?
Definition
bluefish, rock fish, and osprey
Term
what do humans use them for?
Definition
bait. Also, omega oil, fish food, fertilizer, butter, and fish oil
Term
What is omega protein, and what is it used for?
Definition
Omega protein is a company that processes manhaden
Term
What do diamondback terripans eat?
Definition
clams, mussels, fish, and mollusks
Term
True or false males are larger than females
Definition
false
Term
True or False you can tell age by weather
Definition
true
Term
True or false wrinkles tell weather
Definition
false age
Term
True or false only fish that lives in bracish water
Definition
flse turtle
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