Question

Discuss at least four approaches to quantity animal population densities. Include in your discussion benefits and drawback to each approach and example where it may be appropriate to use

Answer 1

After all, population change is determined ultimately by only four factors: birth, death, immigration, and emigration. This apparent simplicity is deceptive. It is easy to underestimate the complexity of biotic and abiotic interactions in the natural world that can influence these four population parameters.