Population and Population Density

It took from the beginning of mankind to around 1800 for the human population to reach...

• 1 million

• 2 million

• 1 billion

• 2 billion

Tags

NGSS.MS-ESS3-4

A group of individuals belonging to the same species living in the same general area at the same time.

• population

• community

• ecosystem

• biosphere

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Study of populations in relation to environment, including environmental influences on density and distribution, age structure, and population size.

• population ecology

• community ecology

• ecosystem ecology

• biosphere ecology

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Number of individuals per unit area or volume.

• denisty

• dispersion

• survivorship

• immigration

A good way to estimate the population size.

• mark-recapture

• count everyone of them

• satellites

• cameras

Processes that add individuals to a population.

• birth and immigration

• death and emigration

Individuals gather in patches, influenced by resource availability and behavior.

• clumped dispersion

• random dispersion

• uniform dispersion

• isolated dispersion

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Individuals are evenly distributed, influenced by interactions between organisms in the population.

• uniform dispersion

• random dispersion

• clumped dispersion

• isolated dispersion

Study of the vital statistics of a population and how they change over time.

• demography

• ecology

• biology

• archaeology

Tags

NGSS.HS-LS2-2

The pattern of spacing among individuals within the boundaries of the population.

• dispersion

• density

• immigration

• survivorship