Population Ecology Quiz

Population _____ study a population's characteristics. (use lower case letters)

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

The geographic range is the ____________ significantly depending on the species.

• Area of distribution

• Habitat type

• Biodiversity index

• Population density

Population density often have ____________, even in the ____________ place.

• Different values; same

• Similar values; different

• Constant values; changing

• Increasing values; same

Population distribution describes how individuals in a population aggregate, or _____. (use lower case letters)

Clumped distribution in populations is most common because it offers:

• Safety in numbers

• Isolation for individuals

• Less competition for resources

• Greater visibility for predators

Uniform distribution in populations is used because of:

• Safety in numbers

• Abundance of resources

• Scarcity of resources

• Random environmental factors

Tags

NGSS.MS-LS2-1

Random distribution in populations is relatively rare and characterized by:

• Evenly spaced individuals

• Individuals grouped together

• Randomly spaced individuals

• Individuals following a pattern

What does the age structure of a population help researchers to understand?

• The genetic diversity of the population

• The full understanding of a plant or animal population

• The migration patterns of the population

• The economic impact of the population

Tags

NGSS.MS-LS2-4

Match the following descriptions of population changes with their correct implications.

• Indicates a negative growth rate or a decline in population numbers

• The population decreases in size

• Indicates a positive growth rate or an increase in population numbers

• The population's age structure is balanced

• Indicates a stable population with no growth or decline

• The population increases in size

• Indicates an even distribution of different age groups within the population

• The population stays the same in size

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is a reason for changes in population size?

• Immigration

• Emigration

• Birth rate

• All of the above