PLEASE HELP TAKING TEST NOW What is the main factor causing the salinity of the Everglades to change? (1 point) O snake populations
O flood control levees
O climate change
O transportation canals

Complete the possible outcomes for each generation in the pedigree chartaa aa aa

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.

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system