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Catch & Release II: It's Catching On!
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Throw that fish back? A new generation of ethical anglers concerned about conserving resources is participating in "catch and release" fishing. How is this going?

Active Graphs
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In this activity, learners track their movements with jumping and leaping graphs.

Otter Smorgasbord
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In this graphing activity (on pages 33-40), learners investigate how much and what kinds of food sea otter pups eat during their first year of life.