Which term describes the living and moving thing in an area

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

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