Population Ecology — Prelims Questions

Which of the following statements correctly describes the 'inflection point' in a logistic growth curve?

Consider the following pairs regarding population regulation factors: 1. Competition: Density-dependent 2. Flood: Density-independent 3. Predation: Density-independent Which of the pairs given above is/are correctly matched?

A species exhibiting high fecundity, short lifespan, early maturity, and little parental care is most likely to be classified as:

Which of the following best describes the 'Allee effect' in population ecology?

Consider a fish population in a lake with an intrinsic rate of increase (r) of 0.4 per year and a carrying capacity (K) of 5000 individuals. If the current population (N) is 1000, what is the approximate annual growth rate according to the logistic growth model?