APES Unit 3 Populations

Front

What type of growth shows the growth of a population under environmental constraints?

Back

Logistic growth shows growth of a population under environmental constraints (carrying capacity-K) that sets a maximum population size.

Tags

NGSS.HS-LS2-1

Front

During which stages of demographic transition does most of a country's population increase occur?

Back

Most of a country's population increase occurs during Stages 2 and 3 of the demographic transition.

Front

What does a population's carrying capacity depend on?

Back

A population's carrying capacity depends on a limiting resource.

Tags

NGSS.HS-LS2-1

Front

In which stage of the Demographic Transition Model (DTM) are the highest Crude Death Rates (CDRs) found?

Back

The highest CDRs are found in Stage 1 of the DTM.

Front

Which stage of the demographic transition has the highest level of population growth?

Back

The transitional stage of the demographic transition has the highest level of population growth.

Front

Define 'exponential growth' in the context of populations.

Back

Exponential growth refers to the increase in a population size when resources are unlimited, leading to a rapid increase.

Front

What is the significance of 'density-dependent factors' in population dynamics?

Back

Density-dependent factors are conditions that affect a population's growth based on its density, such as competition, predation, and disease.

Tags

NGSS.HS-LS2-2

NGSS.HS-LS2-6

Front

What is the difference between 'logistic growth' and 'exponential growth'?

Back

Logistic growth occurs when a population's growth slows as it approaches its carrying capacity, while exponential growth occurs when resources are unlimited.

Tags

NGSS.HS-LS2-1

Front

What is the role of 'limiting resources' in population ecology?

Back

Limiting resources are essential resources that restrict population growth, such as food, water, and space.

Tags

NGSS.HS-LS2-1

NGSS.HS-LS2-2

Front

What characterizes Stage 1 of the Demographic Transition Model?

Back

Stage 1 is characterized by high birth and death rates, leading to a stable population size.