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As an alternative to measuring energy flow through primary productivity, students measure the transfer of energy at a higher trophic level - they modify environmental conditions to explore the effect on energy consumption.
Using the kit's Vanessa cardui (painted lady butterfly) cultures and habitat chambers, students work in groups of 2 or 3 to plot the change in mass of a controlled environment (butterfly culture cups) and determine the efficiency of energy transfer from the food medium to the larva and ultimately the adult butterfly. The activities take about 2 weeks, concluding with the emergence of beautiful painted ladies.
The kit provides materials for 30 cultures and also includes thermometers and instructions for students and teacher. Kit ships with perishable material.
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.
