Bacterial reproduction and growth rate is exponential while for elephants gestation period is 22 months, plus long birth interval - 4-5 years between calves and a long interval between generations of elephants - approximately 20+ years. So for bacteria it is much easier and faster to develop certain survival and/or genetical traits then for the elephants and it respectively takes bacteria quicker to adapt then for the elephants.
Apr 25th, 2015
Are you studying on the go? Check out our FREE app and post questions on the fly!