Which type of mutation involves only one base pair?

(amoeba sisters video recap: pedigrees and need

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

What is one affect on the australian environment due to the introduction of non-native european rabbits? (a) more grass grew in response to the need of the growing population of rabbits. (b) the rabbits balance out the food chain as they became a natural prey to many predators. (c) the rabbits the land by digging, which caused the soil to spread much needed nutrients. (d) the rabbits out-competed other small animals species and caused them to go extinct.