Human Populations

Front

What is carrying capacity?

Back

The maximum number of individuals of a species that an environment can sustainably support.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

What happens to a population when the number of births equals the number of deaths?

Back

The population size remains stable.

Front

What is a density-dependent limiting factor?

Back

A factor that affects population growth in relation to the population density, such as competition for resources.

Tags

NGSS.MS-LS2-4

Front

What type of growth is characterized by a rapid increase followed by a leveling off?

Back

Logistic growth.

Front

What is exponential growth?

Back

A growth pattern where the population size increases rapidly in proportion to the current size, often represented by a J-shaped curve.

Front

What is a predator-prey cycle?

Back

A cyclical pattern of population dynamics where the population of predators and prey influence each other's growth.

Tags

NGSS.MS-LS2-4

Front

What is a boom-bust cycle?

Back

A pattern of rapid population growth followed by a sharp decline.

Tags

NGSS.MS-LS2-4

Front

What are limiting factors?

Back

Environmental conditions that restrict the growth, abundance, or distribution of a population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

What is the difference between biotic and abiotic factors?

Back

Biotic factors are living components of an ecosystem, while abiotic factors are non-living physical and chemical elements.

Front

What is the significance of competition in ecosystems?

Back

Competition can limit population growth and influence species diversity.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5