# Study sets matching "term:logistic+growth = a model describing population growth that levels off as population size approaches carrying capacity"

b

dN/dt=rN

Nt=N0e^rt

potential

Nt=R0^t(N0)... The equation above would be useful in estimating w…

the differential form (to find change in population size)

the integral form (to find population size)... -where N0= number…

populations of all organisms have the ________ to grow exponen…

b

Nt=R0^t(N0)... The equation above would be useful in estimating w…

dN/dt=rN

the differential form (to find change in population size)

population density

dispersion

carrying capacity

exponential growth

the number of individuals per unit of area

the way in which individuals in a population are arranged

the largest population size that can be supported by the area…

describes population growth that starts out slowly but increas…

population density

the number of individuals per unit of area

dispersion

the way in which individuals in a population are arranged

Logistic Curve

In a logistic growth curve, what does K…

Exponential Growth Curve

carrying capacity

The carrying capacity

The maximum population size that a particular environment can…

Logistic Curve

In a logistic growth curve, what does K…

The carrying capacity

Quadrat

Quadrat

Population density

Transect

A device, such as a square frame, used to mark out a specific,…

Used primarily with organisms that do not move i.e. plants; fl…

Population estimate ÷ Area

An imaginary line across a habitat, often marked out with a me…

Quadrat

A device, such as a square frame, used to mark out a specific,…

Quadrat

Used primarily with organisms that do not move i.e. plants; fl…

Survivorship curve

Immigration

Emigration

Exponential growth

Graph that shows how the likelihood of death varies with age.

The arrival of individuals from outside a given area.

The departure of individuals from a given area.

When a population increases by a fixed percentage each year.

Survivorship curve

Graph that shows how the likelihood of death varies with age.

Immigration

The arrival of individuals from outside a given area.

Three factors that affect the size (den…

population growth occurs when

Factors that cause population growth to…

competition

1. Birth rate... 2. Death rate... 3. Immigration and Emigration

there is an abundant amount of food, space, and resources with…

1. competition 2. predation ... 3. parasitism 4. disease

when the population becomes crowded, organisms compete with on…

Three factors that affect the size (den…

1. Birth rate... 2. Death rate... 3. Immigration and Emigration

population growth occurs when

there is an abundant amount of food, space, and resources with…

Population

Growth Rate

Immigration

Emigration

Group of organisms that belong to the same species living in t…

Calculates the rate of population growth by using the followin…

Moving into a population or area

Leaving a population or area

Population

Group of organisms that belong to the same species living in t…

Growth Rate

Calculates the rate of population growth by using the followin…

A differential equation that describes…

Background of exponential growth

This model deals with limited resources…

The logistic growth model is density-__…

Exponential growth model

Increasing population size = immigration and births... Decreasing…

Logistic growth model

Dependent (relies on the population size)

A differential equation that describes…

Exponential growth model

Background of exponential growth

Increasing population size = immigration and births... Decreasing…

factors affecting population

immigration

emigration

exponential growth

birth rate, death rate, immigration, and emigration

individuals move into its range from elsewhere

individuals move out of a range

the larger a population gets, the faster it grows

factors affecting population

birth rate, death rate, immigration, and emigration

immigration

individuals move into its range from elsewhere

intrinsic growth rate

r= birthrate - death rate

exponential growth model

future population size

the highest possible per capita growth rate for a population

intrinsic growth rate equation

a model of population growth in which the population increases…

Nt

intrinsic growth rate

the highest possible per capita growth rate for a population

r= birthrate - death rate

intrinsic growth rate equation

In the past two centuries, what caused…

What are the pros and cons of technolog…

Our environmental impacts depend on wha…

What is the current world population gr…

modern medicine and technology

Pros: monitor organisms to prevent overpopulation or extinctio…

how much we consume and the technology we use to produce goods…

1.13% per year

In the past two centuries, what caused…

modern medicine and technology

What are the pros and cons of technolog…

Pros: monitor organisms to prevent overpopulation or extinctio…

Altricial

Carrying capacity

Emigration

Exponential growth

Born in a helpless state needs a lot of parental care.

Maximum population size that can be supported in a particular…

Movement of individuals out of a population to other areas.

Pattern of population growth in which a population starts out…

Altricial

Born in a helpless state needs a lot of parental care.

Carrying capacity

Maximum population size that can be supported in a particular…

Per Capita Rate of Increase (r)

Exponential Population Growth

Intrinsic Rate of Increase (rmax)

Density Independent

difference between birth and death rate per individual

a model in which r does not change over time, but the instanta…

when conditions are optimalfor a particular species-meaning bi…

when population growth does not limit the growth rate (exponen…

Per Capita Rate of Increase (r)

difference between birth and death rate per individual

Exponential Population Growth

a model in which r does not change over time, but the instanta…

Population growth is affected by...

Exponential growth

Exponential growth happens when..

Logistic growth

1. Births... 2. Deaths... 3. Immigration (individuals move into area…

If births + immigration > deaths + emigration

Population has unlimited resources, "ideal conditions", but it…

Begins as exponential growth until reality strikes and resourc…

Population growth is affected by...

1. Births... 2. Deaths... 3. Immigration (individuals move into area…

Exponential growth

If births + immigration > deaths + emigration

Exponential Growth

Logistic Growth

Carrying Capacity

Population Crash

growth pattern in which the individuals in a population reprod…

A model describing population growth that levels off as popula…

largest number of individuals of a population that a environme…

a sudden population decline caused by predation, waste accumul…

Exponential Growth

growth pattern in which the individuals in a population reprod…

Logistic Growth

A model describing population growth that levels off as popula…

immigration

emigration

exponential growth

logistic growth

the movement of individuals into a population from another pop…

the movement of individuals out of a population and into anoth…

a rapid population increase due to an abundance of resources

a population begins with a period of slow growth followed by a…

immigration

the movement of individuals into a population from another pop…

emigration

the movement of individuals out of a population and into anoth…

demography

growth rate

intrinsic growth rate

exponential growth model

the study of populations

the number of new individuals that are produced per unit of ti…

the highest possible per capita growth rate for a population

a model of population growth in which the population increases…

demography

the study of populations

growth rate

the number of new individuals that are produced per unit of ti…

Dispersion

example of dispersion

what are the 3 main types of dispersion?

Clumped Distribution

pattern of spacing among individuals within a certain area ... (n…

birds on a line will disperse withing pecking distance, to be…

1. Clumped... 2. Uniform... 3. Random distribution

pattern: individuals have a higher probability of being found…

Dispersion

pattern of spacing among individuals within a certain area ... (n…

example of dispersion

birds on a line will disperse withing pecking distance, to be…

population size

birth rate

death rate

immigration

number of individuals of the same species living in one area

rate at which new individual organisms are born, increases pop…

rate at which individual organisms die, reduces population size

movement of individuals INTO a population, increases populatio…

population size

number of individuals of the same species living in one area

birth rate

rate at which new individual organisms are born, increases pop…

population

carrying capacity

limiting factor

density dependent factor

group of individuals of the same species living in a particula…

largest number of individuals of a population that a environme…

an environmental factor that prevents a population from increa…

limiting factor that depends on population size

population

group of individuals of the same species living in a particula…

carrying capacity

largest number of individuals of a population that a environme…

J-shaped growth curve

growth under ideal conditions

growth is slow initially and then incre…

growth of a population with unlimited f…

exponential

exponential

exponential

exponential

J-shaped growth curve

exponential

growth under ideal conditions

exponential

population

community

population density

exponential growth

a collection of individuals of all one species living in a spe…

a collection of several populations interacting with one anoth…

the number of organisms of a population living in a specified…

there is plenty of food and space and a population grows rapid…

population

a collection of individuals of all one species living in a spe…

community

a collection of several populations interacting with one anoth…

empirical data

dispersal

demography

population dynamics

information derived from experience and/or "real world" or fie…

movement of an organism from its place of birth or activity to…

study of population dynamics and characteristics: growth, dens…

the way the size of an ecological population changes over time

empirical data

information derived from experience and/or "real world" or fie…

dispersal

movement of an organism from its place of birth or activity to…

Types of Growth

Predator-Prey Interactions

Population Growth Rate

Birth Rates

Exponential, Logistic

Predator: an animal who eats another... Prey: an animal hunted or…

The rate of growth in an area

The rate of births in an area

Types of Growth

Exponential, Logistic

Predator-Prey Interactions

Predator: an animal who eats another... Prey: an animal hunted or…