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How Many Red Wigglers Do I Need?

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Choosing red wigglers for a lesson or worm bin? Compare small observation counts with starter colonies, and learn why worm count cannot promise compost output.

Pill Bug vs. Sowbug for Classroom Labs

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Compare Armadillidium vulgare pill bugs and Porcellio scaber sowbugs for classroom observation, behavior studies, and species-based lab planning.