APES Module 19: Population Growth Models

What is the logistic growth model used for describing?

• A population whose growth is increasing exponentially.

• A population whose growth is initially exponential, but slows as the population reaches carrying capacity.

• A population whose growth increases linearly, but slows as the population reaches carrying capacity.

• A population whose growth is decreasing exponentially.

Identify the exponential growth formula.

What is intrinsic growth rate?

• A population's maximum potential for growth.

• Logistic growth rate

• A population's ability to reproduce.

• None of the above

Which of these is the exponential growth model?

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Which of these is the logistic growth model?

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What happens as a result when a population experiences an overshoot?

• There will not be enough resources and the population will experience carrying capacity.

• There will not be enough resources and the population will move to Alaska.

• There will not be enough resources and the population will experience a die-off.

• There will not be enough resources and the population will move elsewhere.

What are the characteristics of a K-selected species?

• High parental investment, usually larger animals, small clutch size

• Low parental investment, usually larger animals, larger clutch size

• Low parental investment, usually smaller animals, shorter lifespans

• High parental investment, usually larger animals, large clutch size

What are the characteristics of a R-selected species?

• Low parental investment

• Small clutch size

• Shorter lifespan

• All of the above

Correctly categorize the species into the three survivorship curves: Type I, Type II, or Type III

• Type I: worms

  Type II: birds

  Type III: humans

• Type I: birds

  Type II: worms

  Type III: humans

• Type I: birds

  Type II: humans

  Type III: worms

• Type I: humans

  Type II: birds

  Type III: worms

Inbreeding depression...

• occurs in species that are experiencing overshoot

• results from the creation of corridors between populations

• rarely occurs in highly connected metapopulations

• results in increased rates of reproduction