Although they are different species, woodpeckers and squirrels both live in holes in trees. What resource are these species competing for?

What's the waste product of electrons and pyruvate combining in fermentation?  

Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.

Explain the causes and effect of damage to the genetic code.