Environmental Science & Ecology
Showing 28–33 of 33 resultsSorted by popularity
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Yeast Populations
Price range: $16.95 through $92.95What environmental conditions can affect organism growth?
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A Medical Mystery of Epidemic Proportions
Price range: $20.95 through $139.95Is this epidemic caused by a new strain of bacteria?
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Pollution Investigation
Price range: $17.95 through $122.95Investigate the cause of water pollution in Big Lake.
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Mark-Recapture Population Sampling
Price range: $11.95 through $77.95How many spiders are hiding in the leaf litter?
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What Is It? Dichotomous Keys
Price range: $16.95 through $114.95Learn to use and create dichotomous keys.
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Acid Rain and Buffers
Price range: $15.95 through $108.95Investigate how certain types of lake bottoms can act as buffers.
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Showing 28–33 of 33 resultsSorted by popularity