In the hierarchy of life, which level but above the organ level?

Which of the following best describes the purpose of technology?

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 organ controls breathing? lungs alveoli heart diaphragm