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the field of study that provides scientific names for organisms, describes them, preserves collections of them, provides classifications for them, keys for their identification, and data on their distributions, investigates their evolutionary histories, and considers their environmental adaptations.
responsible, low impact, usually small- scale travel to protected, unspoilt, natural areas and...
the factor that changes in an investigation and is not under the control of the investigator....
produced, growing, living, or occurring naturally in a particular region or environment.