The doubling time of a population is shortest during the exponential growth phase. Now, choose either Part A or Part B for the next 15 points. The current population of Marianas fruitbats on Guam is approximately 400 individuals. The main habitat of the Marianas fruitbat is limestone forest. At present, no young bats on Guam survive to breeding age.
Wildlife biologists believe that all the young bats are being killed by the brown tree snake.