Problem: A wild crucian carp (left), known to be the wild ancestor of the ornamental goldfish (right) The three requirements of natural selection are (1) variation, (2) heritability and (3) differential mortality.
Imagine I am giving you a tank full of wild carp (e.g. Fig 1, left), plus unlimited time & resources.
Explain the key steps you would take towards creating a population of goldfish. Although in this case we are considering a domesticated animal, please refer to the three requirements of natural selection in your answer.