How Populations Change in Size

Select the letter of the description that best matches the term or phrase.

Number of individuals per unit area

• density dependent

• dispersion

• density

• territory

• limiting resource

Select the letter of the description that best matches the term or phrase.

Example of indirect competition for resources

• density dependent

• dispersion

• density

• territory

• limiting resource

Select the letter of the description that best matches the term or phrase.

Relative distribution of individuals

• density dependent

• dispersion

• density

• territory

• limiting resource

Select the letter of the description that best matches the term or phrase.

Water, sunlight, or nutrients for plants

• density dependent

• dispersion

• density

• territory

• limiting resource

Select the letter of the description that best matches the term or phrase.

Deaths caused by disease

• density dependent

• dispersion

• density

• territory

• limiting resource

Which of the following is one of the main properties used to describe a population?

• number of individuals  

• number of species

• color of individuals   

• kind of adaptations

For a population’s growth rate to be zero

• more deaths than births must occur.

• more births than deaths must occur.

• no births can occur.

• the average number of births and deaths must be the same.

Exponential growth occurs when a population

• exceeds the habitat’s carrying capacity.

• is competing with another species.

• grows increasingly faster.

• breeds with another species.

Which of the following limits a population’s biotic potential?

• a minimum number of offspring each pair can produce

• a maximum number of offspring each individual can produce

• the number of interactions each individual has

• the size of offspring each individual can produce

Which of the following can serve to limit a population’s growth?

• carrying capacity of its habitat

• severe weather

• natural disasters

• all of the above