Brine Shrimp Phototaxis

Phototaxis is a compound word containing PHOTO (light) TAXIS (to move). We use the word to describe motion towards or away from light stimulation. Think about a moth to a light.

Some photosynthetic organisms do this get to the euphotic zone in water. Other phototrophic plants orient themselves to the sun as the sun crosses the sky (think about solar panels moving from East to West).

Artemia can express photaxia as well.

Here is a video on how you can play with them in the classroom.

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