How Populations Change in Size

Which of the following is NOT an example of a Density Dependent Factor?

• Parasitism

• Natural Disasters

• Predation

• Competition

A density-dependent limiting factor only becomes limiting if:

• A population begins to decrease in size.

• Random events occur in nature.

• There are predator-prey interactions.

• A population reaches its carrying capacity.

Which of the following is NOT a purpose of an age structure diagram?

• Shows percentages of a population.

• Describes why a population graph has a certain shape.

• It tells us about the number of males and females.

• Breaks down percentages of a population based on age group.

Which type of growth is best illustrated by this rabbit population?

• exponential
• logistic
• S-shaped
• predator-prey

Largest number of individuals of a population that the environment can support...  

• carrying capacity
• population crash
• lag phase
• mutualism

If there is more food than usual in an ecosystem, then the population will mostly likely...

• stay the same
• decrease
• increase
• reach carrying capacity

Populations consist of

• a single species

• multiple species

• the biotic and abiotic factors of an environment

• a grouping of ecosystems

Disease is an example of

• density dependent limiting factors

• density independent limiting factors

A massive tornado

• density dependent limiting factor

• density independent limiting factor

• exponential growth curve

• logistic growth curve