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North Dakota State University: A Guide to Deciduous Tress
Tutorial on deciduous tree identification. Diagrams and descriptions of the four major deciduous tree groups.
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North Dakota State: Mendel's First Law (Law of Segregation)
This resource explains Mendel's first law (Law of Segregation) in detail. Includes Mendel's original experiments with results and conclusions.
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North Dakota State Univ.: Mendel's Law of Ind. Assort.
Mendel's second law and how he arrived at it through his experiments. Includes vocabulary and examples.