Ecology Case Study Example | Topics and Well Written Essays - 250 words - 1

Ecology - Case Study Example The expected time of extinction is approximately 1400years. 6. What would T(N) be for the killer whale population at its largest and smallest sizes? If a population grows just by chance, does this mean that its prospects for long-term survival improve? Assume that the sample standard deviation of r in the spreadsheet accurately estimates the underlying value of S. 7. If this were always the case, why should we be worried about small populations? Under what conditions might you expect a population not to increase when reduced to low population size? This certainly has been the case for many endangered species that have gone extinct or now teeter on the edge. Do some populations simply not â€Å"have what it takes† to maintain healthy levels? Few fertile males à ·if a population contain only a few fertile males, the rate of growth will be low since only a few females will be fertilized. This will lead to few births than deaths, hence the population will approach extinct