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Ecology chapter 13

1.

What is an overshoot (in terms of populations)?

When a population exceeds its carrying capacity.

2.

What is a die-off?

When a population's density declines drastically, typically falling well under the carrying capacity.

3.

Identify what each number is referencing.

  1. Overshoot
  2. Die-off
4.

What is the difference between a deterministic model and a stochastic one?

Predicting a result without versus with accounting for random variation in population growth rate.

5.

Why are smaller populations more likely to go extinct than large populations?

Hint: birth/death rates

A string of years with low birth rates/high death rates will hit a smaller population harder than a larger population.