Which of the following statements about vicariance and dispe
Which of the following statements about vicariance and dispersal is most accurate?
Question 5 options:
Vicariance does not require organisms to disperse
Dispersal can lead to speciation, but vicariance cannot
Vicariance is a special kind of dispersal
d. Dispersal cannot occur without vicariance
| a. | Vicariance does not require organisms to disperse | 
| b. | Dispersal can lead to speciation, but vicariance cannot | 
| c. | Vicariance is a special kind of dispersal | 
| d. Dispersal cannot occur without vicariance | 
Solution
The first option is correct. Vicariance occurs by a formation of a new barrier in between or amongst preexisting populations. Dispersal needs dispersion of organisms across a barrier but in case of Vicariance barrier forms.

