Examlex
Since viruses are typically 20-200 nm in diameter, the ____ microscope is best for viewing them.
Many Generations
The term refers to multiple successive generations within families or societies.
Darwin's Principles
Fundamental concepts proposed by Charles Darwin, including natural selection and survival of the fittest, explaining the evolution of species.
Evolution
The procedure through which diverse living entities are presumed to have originated and varied from previous types over the course of the earth's existence.
Population Variation
The differences in phenotypes and genotypes within a group of individuals, often studied in genetics and ecology.
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