In 1977 a drought occurred in the gallop pocus island. There was no rain for 551 days plants dried up and began to produce fewer and fewer seeds tiny seeds became very difficult to find

Question

Use the options below to complete the sentence
Overtime the variation that gives a blank becomes more common in the population blank selection
Survive
Natural
Advantage
Fittest

Answer 1

Over time the variation that gives a natural advantage becomes more common in the population through natural selection.