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Ecology Symbiosis Kit |
Show your students that even ordinary grass is subject to numerous complex relationships.
By growing grass in three different media, students can discover the importance of nitrogen-fixing bacteria, the benefits of symbiotic mutualism to plants and the significance of the nitrogen cycle.
In addition, students can plot the average heights and weights of the specimens on data sheets, then analyze the results after 25 days.
Includes: 12 growing chambers, vermiculite hydroponic planting media, nutrient media, nitrogen-deficient media, grass seeds, inoculum-treated clover seeds, 24 student data sheets and complete teacher Instructions.
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