Which is used to measure the length of a bicycle trail? a. km b. kg c. kmi d. kl

This is the interaction of two organisms where one is and the other is neither nor harmed.

What is required in the genotype of an individual to show a recessive trait? a.two recessive alleles b.at least one recessive allele c.no recessive alleles

Which part of the spine is likely to cause a nerve signal to travel faster? a. backbones b. white matter c. nuclei d. gray matter