Laboratory

Open Inquiry using C. elegans

C. elegans is a free-living nematode. It is small—growing to about 1 mm in length—and lives in the soil (especially in rotting vegetation) where it survives by feeding on microbes such as bacteria.

In this lesson, students pose questions, design, conduct, and analyze a controlled experiment testing different behavioral stimuli of the worm C. elegans.

This lesson works best as a follow-up to Caeno-WHAT?? and may replace Chemotaxis in C. elegans as this lesson allows for open inquiry.

Fishy Behavior

Students design, conduct, and analyze a controlled experiment testing the effects of alcohol (or nicotine) on zebrafish learning, a model neural system. This is a lateral view. For the dorsal view, visit Go Fish!

Go Fish!

Students design, conduct, and analyze a controlled experiment testing the conditions for zebrafish, model neural system, to learn to recognize (or ignore) a stimulus. This is a dorsal view. For the lateral view, visit Fishy Behavior.

Sheep Brain Dissection

Dissecting a sheep brain, students gain appreciation for the complexity of the brain.

Students make observations, learning about the structure and function of brain regions, white and gray matter.

To supplement this lesson, visit nwnoggin.org's Adventure A-Head page. There you will find images and text about their dissection of cougar, badger, and black bear skulls (graphic images).

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