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Ch. Bay Watershed #2
BISHOP
40
Science
7th Grade
10/07/2013

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Cards

Term
What does SAV stand for
Definition
Submerged Aquatic Vegitation
Term
Why are SAVs important
Definition
Food sources
Shelter/Habitat
Stablizes Bay floor
Provides Oxygen
Term
Why are SAVs disappering
Definition
Toxic chemicals
Sediment
Too much algae
Term
What do Blue crabs begin as
Definition
Larvae
Term
What is another name for a male crab
Definition
a jimmie
Term
What will the male crab do while the female molts
Definition
carry her under his body
Term
When will the crabs mate
Definition
when the female molts and has a soft shell
Term
When the eggs hatch what are they called
Definition
Zoea
Term
What do the Zoea grow into
Definition
Megalops
Term
How many legs does a blue crab have
Definition
10 all for a different purpose
Term
True or false a crab can be left-handed or right-handed
Definition
True
Term
What is the shell of the blue crab called
Definition
it is called the exoskeleton
Term
What are scientist concerned of
Definition
That the blue crabs population will plummet because of overharvesting
Term
What are the second, third, and fourth pairs of legs for
Definition
Walking across the bay
Term
What little things are important to the bay
Definition
Plankton
Term
What are plankton
Definition
Orginisms which drift with the current
Term
What are zooplankton
Definition
animals that are controlled by the current
Term
Whyis the estuary different
Definition
The estuary has plankton in it
Term
What is the food web
Definition
when other animals eat other animals
Term
What is another name for a striped bass
Definition
Rockfish
Term
What is a moratorium
Definition
a ban
Term
What do rockfish eat
Definition
small fish and worms
Term
Where do rockfish live for most of their lives
Definition
in saltwater
Term
Where do baby rockfish live
Definition
shallow marshes and grass beds
Term
What is the system of countershading
Definition
Their bellies are white so it blends in with thee water
Term
Why has the rockfish population come back
Definition
1. a 5 year moratorium
2. spawning grounds
Term
How do the fish eat
Definition
opening and closing mouth
Term
What do the fish eat
Definition
plankton
Term
What is the fishes main predator
Definition
Striped Bass
Term
What do they use the fish for
Definition
Lipstick, dog food, and chicken.
Term
Only turtle in the world that lives in brackish water
Definition
Term
Feeds my mussels, clams, fish
Definition
Term
Female is larger than the male
Definition
Term
Warmer temperature means more eggs hatch as females
Definition
Term
You can tell age by rings on the shell
Definition
Term
Population Decimated years ago because they were used in soup
Definition
Term
Larvae
Definition
Begining of a blue crab
Term
Molt
Definition
Blue crab sheds shell
Term
Zoea
Definition
First stage of blue crab
Term
What are zoea and megalops
Definition
Planlkton
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