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Cheseapeake bay watershed #2
Meck Andrew
30
Science
7th Grade
10/07/2013

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Cards

Term
What does SAV stand for
Definition
Submerged Aquatic Vegetation
Term
Why are sav important
Definition
Food
habitat
traps sedimant, protects floor from erosion
provides oxygen
Term
why are sav dissapearing
Definition
sediment smooths blocks sunlight
nutrients
chemicals kill it
Term
Larvae
Definition
first stage of life for crabs
Term
soaks
Definition
another name for female
Term
jimmies
Definition
another name for male
Term
molts
Definition
when crabs lose their shells
Term
zoea
Definition
another name for larva
Term
megalops
Definition
second stage of life for the crab
Term
zooplankton
Definition
mercy of the current
Term
how long do they live
Definition
approximantly 3 years
Term
exoskeleton
Definition
a hard coat of armor which is skin
Term
how many crabs get caught and eaten every year
Definition
every 3/4 crabd get caught and consumed evey year
Term
Spat
Definition
Juvenile attached oysters
Term
How long does the oyster have to be, to be legally caught and eaten
Definition
three inches
Term
what is one unique characteristic of the common oyster
Definition
their ability to change gender
Term
how do oysters eat
Definition
they eat by sucking water intot their shells and filtering out small plants called phytoplankton
Term
why are they so abundent
Definition
because they can filter the whole bay in a few days
Term
how much of the historic population is left
Definition
less than one percent
Term
WHat are the three factors that led to the oysters' demise
Definition
overharvesting, MSX DERMO, sediment cause by land developing
Term
what are plankton defined as
Definition
defined as organisms
Term
phytoplankton
Definition
microscopic plants
Term
zooplankton
Definition
Term
another name for rockfish
Definition
striped bass
Term
Fishing Moratorium
Definition
band on fishing
Term
what mature stripers like to eat
Definition
fish soft crabs and eels
Term
where do mature stripers live
Definition
spend most of life in the ocean
Term
where juvenile fish live
Definition
in shallow marshes and grass beds
Term
countershading
Definition
to camouflage
Term
why have made a great recovery
Definition
five year moratorium
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