 |  |
| Students look over a project they intend to submit to a science competition | A student makes sure to read the procedure carefully |
 |  |
| A student gets down and dirty catching fiddler crabs for observation... |
...but not nearly as dirty as his classmate! |
 |  |
| A student stretches out after collecting samples of marsh sediment |
Another student chuckles at a teacher's comment |
 |  |
| One of the students collects fish | The fish |
 |  |
| Students set up tanks for the fiddler crabs | Another student analyzes samples |
 |  |
| Fiddler crabs' intertactions in a contained environment | A male fiddler shows off his claws |