An Ecologist Is Studying the Painted Turtle Population in a Small

An ecologist is studying the painted turtle population in a small pond. At the beginning of the year, there are 100 individuals. Over the course of a year, 40 turtles are born and 60 die. There is no migration. What is the growth rate (r) of the painted turtle population?

A) 0.6
B) - 0.4
C) 0.2
D) - 0.2
E) 0.4