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Cheapeake bay watershed #2
A Milani
42
Science
7th Grade
10/07/2013

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Cards

Term
SAV
Definition
Submerged aquatic vegitataion
Term
Why are SAV's important?
Definition
Food sorce, habitat, protect bottom from erosion, and provide oxygen
Term
Why are SAV's dissapearing?
Definition
buried by sediment, algae blocks sunlight, toxic chemichals
Term
oysters
Definition
noun: oyster; plural noun: oysters; noun: common European oyster; plural noun: common European oysters; noun: American oyster; plural noun: American oysters; noun: saddle oyster; plural noun: saddle oysters; noun: oyster white; plural noun: oyster whites



1.



any of a number of bivalve mollusks with rough irregular shells. Several kinds are eaten (esp. raw) as a delicacy and may be farmed for food or pearls.





2.



a shade of grayish white.
Term
SAV
Definition
Submerged aaionquatic vegat
Term
nutrients
Definition
a substance that provides nourishment essential for growth and the maintenance of life.
Term
Blue Crab
Definition
noun: blue crab; plural noun: blue crabs



1.



a large edible swimming crab of the Atlantic coast of North America
Term
plankton
Definition
the small and microscopic organisms drifting or floating in the sea or fresh water, consisting chiefly of diatoms, protozoans, small crustaceans, and the eggs and larval stages of larger animals. Many animals are adapted to feed on plankton, esp. by filtering the water.
Term
spat
Definition
juvenile attached oysters
Term
oyster legal size
Definition
2.5 inches
Term
oysters can change gender
Definition
true
Term
feed on
Definition
plankton
Term
they were once so abudant they could filter the whole bay in one day. t/f
Definition
t
Term
What factors caused oysters population to decrease
Definition
Sediment, overharvesting,
Term
copepods
Definition
a type of zoo plankton
Term
zooplankton
Definition
are animals whose movement are controlled by the current
Term
phytoplankton
Definition
plankton consisting of microscopic plants.
Term
food web
Definition
a system of interlocking and interdependent food chains.
Term
How do oysters eat their food?
Definition
They suck water into their shell and filter out small plants called phytoplanktons.
Term
What is the most unique feature of oysters.
Definition
They can change genders.
Term
larvae
Definition
the young of any invertibrate animal
Term
sooks
Definition
a female crab
Term
jimmies
Definition
a male crab
Term
molts
Definition
to cast or shed the feathers, skin, or the like that will be replace by a new growth.
Term
zoea
Definition
any of the free swimming larvae
Term
megalops
Definition
the larval stage of marine crabs
Term
Whats another name for a rockfish?
Definition
striped bass
Term
fishing moratorium
Definition
is a pretty much a fishing law
Term
what do mature rockfish eat?
Definition
fish, soft crabs, and eel
Term
where do they spend most of their time?
Definition
in the ocean
Term
where do juvenile stripers live?
Definition
shallow marshes and grass beds
Term
counter shading
Definition
a rockfish for examaple whit at the bottom for the sky and dark at the top to look like the water
Term
Why is the rockfish making a nice recovery?
Definition
1. The five year moratorium. 2. restoration of spawning ground
Term
Where do diamondback terrapins live?
Definition
They live in tidal portions of the ch bay
Term
How long do they live for
Definition
25 years
Term
what do they feed on
Definition
feeds on clams/mussels/fish
Term
t/f the only turtle that lives in brackish water
Definition
t
Term
females are larger than males? t/f?
Definition
t
Term
males are larger than females t/f?
Definition
f
Term
how do you tell the age of a this turtle?
Definition
the rings on the shell
Term
what happens when the tempuarture is warm?
Definition
more females hatch
Term
Why is the population low?
Definition
Turtle soup
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