Cells Of the divide Continuously and help in increasing the length and girth of plant

Environmental differences within ecosystems are generally caused by

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.

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?