Which of the following is not true about darwin���s book on the origin of species?
a. he worked on the manuscript for three years.
b. it was successful.
c. it explained his theory of evolution.
d. it was based on his findings in south africa.

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