Without DNA repair, the error rate of DNA polymerase is about one for every 100,000 bases replicated. If an organism has a haploid genome of 1.5 billion base pairs, how many mutations should occur each time a diploid cell replicates its DNA

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.