Which disease is spread by mosquitoes? A) tetanus
B) whooping cough
C) gonorrhea
D) dengue fever

What material did the moon come from?

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human

What is genetic variation? -(a) each individual in a population has slightly different genes. -(b) some individuals in a population have more genes than others. -(c) each population of a species has slightly different genes. -(d)some populations of a species have more genes than others.