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is an environment in which an organism's needs are met.

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

Which identifies the main purpose of biological taxonomy?

What molecule contains an organisms genetic material, passed down from parents to their offspring