Chapter 4 & Chapter 8 Test

A(n) age structure diagram/population pyramid is created by

• calculating the number of children a woman gives birth to in her lifetime
• graphing the distribution of ages in a population at a specific time
• studying a group of people and noting when every single member dies
• estimating the demand for services within a community

The average number of years an individual is predicted to live is called

• carrying capacity
• life expectancy
• growth rate
• demography

The number of organisms that an environment can support is called the

• life expectancy
• demography
• carrying capacity
• growth rate

Tags

NGSS.MS-LS2-4

Every spring, many species of birds travel north to the Arctic to breed, and in the fall travel south again for the winter. This is an example of

• immigration
• emigration
• migration
• population growth

What kind of population distribution is displayed below by the starfish?

• random
• clumping
• uniform
• crowded

A caribou is adapted to live in cold tundra environments. It would not be able to survive in a hot tropical forest because it's ___________ would change.

• community
• population
• population structure
• habitat

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

An example of a density-dependent limiting factor is

• a tornado
• an earthquake
• the amount of food available
• a flood

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following would cause population to increase in a region?

• increased death rates
• decreased survivorship
• increased immigration

Tags

NGSS.MS-LS2-4

People living in developed countries have longer life expectancies mainly because they have access to

• healthcare
• fuelwood
• more land
• more diverse food choices

An example of a density independent limiting factor would be

• a hurricane
• infectious disease
• sudden arrival of a predator species
• old age