Two trees growing close to each other both use light and water, and the same nutrients in the soil. This relationship is best defined as: a : symbiosis
b : competition
c : interdependence
d : none of the above

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.

Give an example of a trait that is controlled by more than one gene.

Describe the two types of vascular tissue