Newborn infants were given either smooth or knobby pacifiers to suck. They were later allowed to look at both types of pacifiers. They looked longer at the type of pacifier they had previously sucked. This finding indicates that newborn infants have .

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.