Need help right now pleas

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

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.

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels