K The population of an aquatic species in a certain body of water is approximated by the logistic function G(t)= times. 27,500 1+18e -0511 a. 1 year b. 7 years , where t is measured in years. Find the population and its growth rate at the following. c. 18 years d. What happens to the rate of growth over time? * The population in 1 year is 2329 (Round to the nearest whole number.) The population in 7 years is 18251. (Round to the nearest whole number.) The population in 18 years is 27449 (Round to the nearest whole number.) The growth rate in 1 year is per year. (Round to the nearest whole number.)