In the graph below, which year most likely had the lowest rainfall? A. year 1 B. Year 2 C. Year 3 D. Year 4

Provide one reason why mitosis occurs.

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 of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above