Questions: Question 12 Homework · Unanswered · Due Nov 10th, 11:59 PM Mark as: None Which components of speciation would be least likely to be a part of punctuated equilibrium? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a a division of populations b a change in environmental conditions c ongoing gene flow among all individuals d a large number of mutations taking place at once Unanswered Submit

The answer is c: ongoing gene flow among all individuals.

Explanation for each option:

a. A division of populations: This is a key component of speciation, especially in the context of punctuated equilibrium, where populations become isolated, leading to rapid evolutionary changes.

b. A change in environmental conditions: Environmental changes can trigger rapid speciation events, which align with the concept of punctuated equilibrium, where species experience long periods of stability interrupted by brief periods of rapid change.

c. Ongoing gene flow among all individuals: This would be least likely to be a part of punctuated equilibrium because ongoing gene flow tends to homogenize populations, preventing the isolation necessary for rapid speciation events.

d. A large number of mutations taking place at once: While not a typical feature of punctuated equilibrium, a burst of mutations could potentially contribute to rapid evolutionary changes, aligning with the model's concept of sudden shifts.

In summary, ongoing gene flow among all individuals is least likely to be a part of punctuated equilibrium because it counteracts the isolation needed for rapid speciation.