1. For a mutation to affect evolution, it must: a. Provide a benefit to the organism
b. Involve more than one chromosome
c. Be able to get passed from parent or offspring
d. Be neutral—neither help nor harm the organism

Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.

Fredrick griffith made a scientific discovery in 1928

Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species