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Chromosome Mutations

Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..

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Bryophytes are a plant group characterized by being nonvascular. They include the mosses, the liverworts, and the hornwo..

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This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..

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This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..

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Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..