Two facts about biology in the 21st century

We all have different forms of genes from our parent(s).what are these different forms called? a.alleles b.characters c.dna d.resources

Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b.hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.

The smallest biological units that can evolve are