In a natural setting, all the eggs in a duck nest usually hatch within a few hours. Shortly after all the ducklings have hatched, and periodically thereafter, the mother duck will lead them all to a food source and then back to the nest to rest. Given this situation, which ducklings are most likely to imprint on their mother? (1 point)

Question

Only those that are 10-18 hrs will successfully imprint.

All ducklings will eventually imprint because of the repeated activity during the critical period

Only those that are over one day old

Only those that are less than 6 hrs old

Answer 1

Only those that are less than 6 hrs old.