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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

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…

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…

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…

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…

discrete annual growth

What are the geometric growth equations?

A population has N=100 individuals at t…

If a population grows continuously, N[t…

populations that grow in pulses

N[t] = N[o] λ^t... N[t+1] = N[t] λ... [subscript]

N5=100 (1.05^2)... N5=110

r= the per capita rate of increase (intrinsic rate of increase…

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

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

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…

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…

occurs when a population size increases dramatically over a pe…

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

immigration

emigration

exponential growth

logistic growth

the movement of individuals into a population from another pop…

the movement of individuals out of a population from another p…

occurs when a population size increases dramatically over a pe…

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

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…

when a population size increases dramatically over a period of…

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

Start with the exponential population g…

If the maximum sustainable population s…

(K-N)/K is the

By multiplying the exponential rate of…

an expression that reduces the per capita rate of increase as…

K-N is the number of additional individuals the environment ca…

fraction of K that is still available for population growth

you model the change in population size as N increases.

Population density

Random dispersion

Population dispersion clumping

population dispersion uniform

the number of individuals per unit area

populations to be found randomly about their habitat. In immob…

populations to be found in tight clusters, dispersed across a…

populations to be found evenly distributed about their habitat…

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…

occurs when a population size increases dramatically over a pe…

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

Natality (n)

Mortality (m)

Immigration (i)

Emigration (e)

The number of births per unit of time.

The number of deaths per unit of time.

The number of individuals that move into an existing populatio…

The number of individuals that move away from an existing popu…

population

population ecology

biotic factors

abiotic factors

a group of individuals of the same species that occupy the sam…

the study of changes in population size and the factors that r…

living factors that cause variation in population size

non-living factors that cause variation in population size

Demography

Growth rate

Intrinsic growth rate

Exponential growth

Study of populations ... Uses math to predict poplation growth…

Number of new individuals that are produced per unit of time m…

Highest possible per capita growth rate for a population

When young individuals are added to the population continuously

Carrying capacity (K)

Logistic population growth

Logistic growth model

small, small

the maximum population size in the environment can support

the per capita rate of increase declines as carrying capacity…

delta N/ delta t=r(max)N*(K-N)/K

when N in large compared to K, then (K-N)/K is ________, and r…

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…

Demography

Growth Rate

Intrinsic Growth Rate

Exponential Growth Model

study of populations

number of new individuals that are produced per unit of time m…

highest possible per capita growth rate for a population

model if growth in which the population increases continuously…

population

population density

dispersion

birth rate

a group of organisms of the same species that live in the same…

the number of individuals in a specific area

The pattern of distribution of organisms in a population

the number of births in a population in a certain amount of time

New england forest come full circle

Levels of complexity

Population

Community

Population can increase or decrease dramatically over time. It…

Scientist study nature at several different levels of complexi…

Population dynamics the unit of evolution

Interactions among species. Populations of organisms

population

density

dispersion

mark-recapture method

A group of individuals of one species that live in a particula…

The number of individuals per unit area or volume

The pattern of spacing among individuals within geographic pop…

A sampling technique used to estimate wildlife populations

population density

random dispersion

clumping dispersion

uniform dispersion

the number of individuals of a population that inhabit a certa…

describing a dispersion pattern in which individuals are space…

individuals "flock" together; most common dispersion pattern

even spacing of individuals of the same species within an area

demography

growth rate

intrinsic growth rate (r)

exponential growth model

the study of populations

in a population, the number of new individuals that are produc…

the highest possible per capita growth rate for a population

a model of population growth in which the population increases…

Population Growth Rate

Mortality

Survivorship Curves

Birth Rate

Is determined by births, deaths, immigration, and emigration f…

The rate at which individuals die.

Show how individuals of different ages have different probabil…

Birth rate is expressed as number of births per 1000 people pe…

objectives:... - explain the exponential g…

population growth models

population growth rate

intrinsic growth rate (r)

...

mathematical equations that can be used to predict population…

the number of offspring an individual can produce in a given t…

the maximum potential for growth of a population under ideal c…

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 size

population density

population distribution

random uniform clumped

the total number of individuals within a defined area... i.e ther…

number of individuals / area. ... this is a mathematical number... i…

how individuals are distributed with respect to one another

three types of population distribution

demography

growth rate

intrinsic growth rate (r)

exponential growth model

the study of populations

in a population, the number of new individuals that are produc…

the highest possible per capita growth rate for a population

a model of population growth in which the population increases…

Demography

Growth rate

Intrinsic growth rate (r)

Exponential growth model

The study of populations

In a population, the number of new individuals that are produc…

The highest population per capita growth rate for a population

a model of population growth rate in which the population incr…

Population

Population Sampling

Density

Mark-Recapture Method

A group of individuals that belong to the same species and liv…

Difficult to count EVERY individual in a population so,... -Sampl…

Number of individual per area

1)Capture,mark and release (M) individuals... 2)Recapture another…

Demography

Growth Rate

Intrinsic Growth Rate (r)

Exponential Growth Rate

the study of populations

in a population, the number of new individuals that are produc…

the highest possible per capita growth rate for a population

a model of population growth in which the population increases…

population size

population density

population distribution

random uniform clumped

the total number of individuals within a defined area

number of individuals / area

how individuals are distributed with respect to one another

three types of population distribution

demography

growth rate

Intrinsic growth rate (r)

Exponential growth model

the study of populations

In a population, the number of new individuals that are produc…

the highest possible per capita growth rate for a population

A model of population growth in which the population increases…

Ecology

Ecological Population

Ecological Community

Fecundity

Interaction of organisms with their living and non-living envi…

A group of individuals of the same species living in the same…

A mosaic of interacting populations of different types of orga…

Average number of offspring per adult female of a species

Populations can grow at GEOMETRIC or EX…

Geometric Population Growth

Geometric growth

An organism's life history traits

in the presence of abundant resources.

growth by any population with pulsed reproduction.

λ=N t+1 / Nt

1. age when reproduction begins... 2. how often an organism repro…

Immigration

Emigration

Exponential Growth

Logistic Growth

movement of individuals into a population from another populat…

movement of individuals out of a population and into another p…

occurs when a population size increases dramatically overtime

Population begins within a period of slow growth followed by a…

demography

growth rate

intrinsic growth rate (r)

exponential growth model

the study of populations

in a population, the number of new individuals that are produc…

the highest possible per capita growth rate for a population

a model of population growth in which the population increases…

population size

population density

global scale

local scale

measured for species which have clear boundaries or larger org…

measured for species which do not have clear boundaries and/or…

closed system, subject to changes via births and deaths

open system, subject to changes via births and deaths, and imm…

Ch.12 Concepts

Demography

Intrinsic growth rate (r):

Growth rate

-Under ideal conditions, populations can grow rapidly.... -Popula…

The study of populations.... In the 19th century, Charles Darwin…

The highest possible per capita growth rate for a population.…

In a population, the number of new individuals that are produc…