An ecologist is carrying out a population study on songbirds in your area. Over a three-year period, the songbirds' population increases. In that time, the population's birthrate was lower than its death rate.
Explain how it can be possible for the population size to grow.

answer; i believe that the correct answer is (b) melosis; plz check first.good luck

your answer is "the 1950's"

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs