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6 Cards in this Set
- Front
- Back
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Who is Charles Darwin?
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creator of natural selection and survival of the fittest
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What is the order of scientific investigations?
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ask questions, my predictions and hypothesises, experimentation, draw conclusions, record results
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What is a biological community?
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the interaction of plants, animals, bacteria, etc. in aa certain area
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What type of cells must mutate in order for that mutation to be passes on to the next generation?
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DNA of genes
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Dr. Hart's difference between dependent and independent variables.
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Dependent- the acid
Independent- number of salamander eggs hatched |
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What was Dr. Hart's Prediction and Hypothetises?
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Hypothesises- 1.) Acids that were formed in the upper atmosphere by polluntants were falling onto the mountains in the winter snows. 2.) Melting snow was making the ponds acidic and harming the salamander embryos.
Predictions- 1.) He would find acid in the ponds after the snow melted. 2.) There would be enough acid in the ponds to harm salamander embryos. |
