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 | Objectives Content Standards Back To All Stations |  

     Station 1 About Crabs
Go to  > Station 2: Water Testing
Go to  > Station 3: Oyster Bar Community
Go to  > Station 4: Investigating Plankton
Go to  > Station 5: Seining (Going Fishing)

 
Station 1: About Crabs

The animal most people associate with the Chesapeake Bay is the blue crab. Blue crabs are well suited to the ever-changing salinity of the estuary, and can tolerate water ranging from salt to nearly fresh.

Because of their abundance and popularity as a food, people have been able to make their living from catching crabs. One of methods the students will use, the collapsible hand trap, is a popular method used by many crabbers. People also catch crabs using just a line and bait. Students will also try this method.

 > Objectives
> Discuss:
    • Internal and external Anatomy
    • Identify the sex of a crab by looking at its abdomen
    • Molting
    • Diet
    • Behavior/migration

Demonstrate 3 ways to crab:

    • Commercial trap
    • Snap-pot
    • Baited hand line

 

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 > Content Standards


> Maryland Content Standards
About Crabs Science Indicators:
1.0 Skills & Processes: 1.5.1, 1.5.5, 1.5.6, 1.5.7, 1.5.11,
3.0 Life Science: 3.5.2, 3.5.5, 3.5.6, 3.5.12
6.0 Environmental Science: 6.5.2, 6.5.3

> Virginia Standards of Learning 
About Crabs Science Indicators:
Scientific Investigation, Reason & Logic: 4.1, 5.1
Living Systems: 4.5
Interrelationships in Earth/Space systems: 5.6
Resources: 4.8

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