Students will match inputs and outputs of marine and freshwater fish during osmoregulation in this low prep, differentiated paper activity. Osmoregulation is a topic that many students struggle with- it can be difficult to remember what enters and leaves a fish and where those materials are entering or leaving from.
In this differentiated activity, students will match inputs and outputs to areas of a fish. Both marine fish and freshwater fish are represented to allow students to compare and contrast the two. In the lowest level, the descriptions include the location of transfer (for example, "seawater containing salts and ions enters the mouth") - this is great as an introductory activity or for lower level students. In the second level, descriptions are more generalized ("seawater containing salts and ions"), but arrows are included, so students can decide which exchange happens in each place. In the third level, designed for more advanced students, the generalized descriptions are included without arrows, so students must determine where the exchange happens.
This has been designed as either a cut and paste or a short group/individual station-style activity. To use it as a cut and paste, print out a copy of the black-and-white fish pages for each student and let students match on their own. To use it as a stations activity, print out the color copies, laminate them, and provide students with dry-erase markers to draw their own arrows. Print out copies of the included student worksheet so students have a paper copy of their work.
This resource also includes a one page teacher's guide, an answer key, and an easy-to-use printing guide.