"What event most likely produced the changes that occurred in the wild plant ancestor?
(1)Mutations in wild mustard sex cells were passed on to offspring.
(2)Humans did not like to eat wild mustard.
(3)Competition for survival occurred in all ecosystems of the world.
(4)Ancient herbivores overgrazed wild mustard."
By looking at the chart posted above, the one event that likely produced the changes in the wild plant ancestor was the mutations in wild mustard sex cells were passed on to the offspring. The correct answer choice is number 1.
