Variation is the differences between individuals of the same species, caused by genetic and environmental factors. Surveys into variation give data that are continuous, which means to come in a ...

Genetic variation within a population is measured ... both by the physical environment and by time. Consequently, the definition of populations can be refined to include groups of organisms ...

Variation is the differences in the characteristics of organisms. It can be caused by the genes an individual inherits or the environment it lives in. Extensive genetic variation is contained ...