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

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

9 terms
Exponential and Logistic Growth Models
Logistic Curve
In a logistic growth curve, what does…
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…
The carrying capacity
15 terms
Population Ecology
population
carrying capacity
limiting factor
density dependent factor
group of individuals of the same species living in a particul…
largest number of individuals of a population that a environm…
an environmental factor that prevents a population from incre…
limiting factor that depends on population size
population
group of individuals of the same species living in a particul…
carrying capacity
largest number of individuals of a population that a environm…
8 terms
Logistic Population Growth
b
dN/dt=rN
Nt=N0e^rt
potential
Nt=R0^t(N0)... The equation above would be useful in estimating…
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 expone…
b
Nt=R0^t(N0)... The equation above would be useful in estimating…
dN/dt=rN
the differential form (to find change in population size)
33 terms
Population growth
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 increase…
Nt
intrinsic growth rate
the highest possible per capita growth rate for a population
r= birthrate - death rate
intrinsic growth rate equation
10 terms
population growth patterns 14.4
Exponential Growth
Logistic Growth
Carrying Capacity
Population Crash
growth pattern in which the individuals in a population repro…
A model describing population growth that levels off as popul…
largest number of individuals of a population that a environm…
a sudden population decline caused by predation, waste accumu…
Exponential Growth
growth pattern in which the individuals in a population repro…
Logistic Growth
A model describing population growth that levels off as popul…
21 terms
Ecology Ch 9 population dispersion
Dispersion
example of dispersion
what are the 3 main types of dispersion?
Clumped Distribution
pattern of spacing among individuals within a certain area ... (…
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 ... (…
example of dispersion
birds on a line will disperse withing pecking distance, to be…
9 terms
14.4 Population Growth Patterns
immigration
emigration
exponential growth
logistic growth
the movement of individuals into a population from another po…
the movement of individuals out of a population and into anot…
a rapid population increase due to an abundance of resources
a population begins with a period of slow growth followed by…
immigration
the movement of individuals into a population from another po…
emigration
the movement of individuals out of a population and into anot…
Population Growth
B
b
D
d
# of births (bN)
per capita birth rate
death rate (dN)
per capita death rate
B
# of births (bN)
b
per capita birth rate
24 terms
Test 2: Population Growth
discrete annual growth
What are the geometric growth equations?
A population has N=100 individuals at…
If a population grows continuously, N[…
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 increas…
discrete annual growth
populations that grow in pulses
What are the geometric growth equations?
N[t] = N[o] λ^t... N[t+1] = N[t] λ... [subscript]
11 terms
Population Dynamics
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 po…
rate at which individual organisms die, reduces population size
movement of individuals INTO a population, increases populati…
population size
number of individuals of the same species living in one area
birth rate
rate at which new individual organisms are born, increases po…
11 terms
Population Ecology
population
carrying capacity
limiting factor
density dependent factor
group of individuals of the same species living in a particul…
largest number of individuals of a population that a environm…
an environmental factor that prevents a population from incre…
limiting factor that depends on population size
population
group of individuals of the same species living in a particul…
carrying capacity
largest number of individuals of a population that a environm…
11 terms
Population Ecology
population
carrying capacity
limiting factor
density dependent factor
group of individuals of the same species living in a particul…
largest number of individuals of a population that a environm…
an environmental factor that prevents a population from incre…
limiting factor that depends on population size
population
group of individuals of the same species living in a particul…
carrying capacity
largest number of individuals of a population that a environm…
32 terms
Population Growth
population
community
population density
exponential growth
a collection of individuals of all one species living in a sp…
a collection of several populations interacting with one anot…
the number of organisms of a population living in a specified…
there is plenty of food and space and a population grows rapi…
population
a collection of individuals of all one species living in a sp…
community
a collection of several populations interacting with one anot…
32 terms
Population Growth
population
community
population density
exponential growth
a collection of individuals of all one species living in a sp…
a collection of several populations interacting with one anot…
the number of organisms of a population living in a specified…
there is plenty of food and space and a population grows rapi…
population
a collection of individuals of all one species living in a sp…
community
a collection of several populations interacting with one anot…
15 terms
Population and Community Ecology 2
population density
population size
population distribution
sex ratio
Number of individuals per unit area
the number of individuals in a population
how population is spread out in an area
The number of males per 100 females in the population.
population density
Number of individuals per unit area
population size
the number of individuals in a population
20 terms
Population Growth Patterns
Types of Growth
Predator-Prey Interactions
Population Growth Rate
Birth Rates
Exponential, Logistic
Predator: an animal who eats another... Prey: an animal hunted o…
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 o…
9 terms
Population Growth Patterns
Immigration
Emigration
exponential growth
logistic growth
the movement of individuals into a population from another po…
the movement of individuals out of a population and into anot…
occurs when a population size increases dramatically over a p…
a population begins with a period of slow growth followed by…
Immigration
the movement of individuals into a population from another po…
Emigration
the movement of individuals out of a population and into anot…
13 terms
APES Unit 2: Population Growth
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 immo…
populations to be found in tight clusters, dispersed across a…
populations to be found evenly distributed about their habita…
Population density
the number of individuals per unit area
Random dispersion
populations to be found randomly about their habitat. In immo…
9 terms
Population Growth Patterns
immigration
emigration
exponential growth
logistic growth
the movement of individuals into a population from another po…
the movement of individuals out of a population from another…
occurs when a population size increases dramatically over a p…
a population begins with a period of slow growth followed by…
immigration
the movement of individuals into a population from another po…
emigration
the movement of individuals out of a population from another…
9 terms
population growth patterns
immigration
emigration
exponential growth
logistic growth
the movement of individuals into a population from another po…
the movement of individuals out of a population and into anot…
when a population size increases dramatically over a period o…
a population begins with a period of slow growth followed by…
immigration
the movement of individuals into a population from another po…
emigration
the movement of individuals out of a population and into anot…
9 terms
Population Growth Patterns
immigration
emigration
exponential growth
logistic growth
the movement of individuals into a population from another po…
the movement of individuals out of a population and into anot…
occurs when a population size increases dramatically over a p…
a population begins with a period of slow growth followed by…
immigration
the movement of individuals into a population from another po…
emigration
the movement of individuals out of a population and into anot…
14 terms
Levels in the biosphere & population growth bio
Exponential
Exponential
Exponential
Logistic
J curve
No population limits
Ideal conditions
S curve
Exponential
J curve
Exponential
No population limits
24 terms
22.2 Measuring and Modelling Population Change
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 populati…
The number of individuals that move away from an existing pop…
Natality (n)
The number of births per unit of time.
Mortality (m)
The number of deaths per unit of time.
43 terms
Population Ecology
population
population ecology
biotic factors
abiotic factors
a group of individuals of the same species that occupy the sa…
the study of changes in population size and the factors that…
living factors that cause variation in population size
non-living factors that cause variation in population size
population
a group of individuals of the same species that occupy the sa…
population ecology
the study of changes in population size and the factors that…
10 terms
Population vocab and Demographic Transition
Population Density
Carrying Capactiy
Age-Structure Diagram
Immigration
The number of individuals of a population per unit area or vo…
the maximum population size that can be supported by the avai…
A diagram that shows the relative number of individuals of ea…
The process of individuals moving into a range from elsewhere.
Population Density
The number of individuals of a population per unit area or vo…
Carrying Capactiy
the maximum population size that can be supported by the avai…
10 terms
Concept 53.4 The logistic model describes how a population grows more slowly as it nears its carrying capacity
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…
Carrying capacity (K)
the maximum population size in the environment can support
Logistic population growth
the per capita rate of increase declines as carrying capacity…
20 terms
Chapter 12: Population Growth and Regulation
Demography
Growth Rate
Intrinsic Growth Rate
Exponential Growth Model
study of populations
number of new individuals that are produced per unit of time…
highest possible per capita growth rate for a population
model if growth in which the population increases continuousl…
Demography
study of populations
Growth Rate
number of new individuals that are produced per unit of time…
63 terms
Chapter 6 population and community ecology
New england forest come full circle
Levels of complexity
Population
Community
Population can increase or decrease dramatically over time. I…
Scientist study nature at several different levels of complex…
Population dynamics the unit of evolution
Interactions among species. Populations of organisms
New england forest come full circle
Population can increase or decrease dramatically over time. I…
Levels of complexity
Scientist study nature at several different levels of complex…
21 terms
A.P Biology Population Ecology
population
density
dispersion
mark-recapture method
A group of individuals of one species that live in a particul…
The number of individuals per unit area or volume
The pattern of spacing among individuals within geographic po…
A sampling technique used to estimate wildlife populations
population
A group of individuals of one species that live in a particul…
density
The number of individuals per unit area or volume
21 terms
Chapter 12 Population Growth
demography
growth rate
intrinsic growth rate (r)
exponential growth model
the study of populations
in a population, the number of new individuals that are produ…
the highest possible per capita growth rate for a population
a model of population growth in which the population increase…
demography
the study of populations
growth rate
in a population, the number of new individuals that are produ…
11 terms
Population Ecology Selena Salas
population
carrying capacity
limiting factor
density dependent factor
group of individuals of the same species living in a particul…
largest number of individuals of a population that a environm…
an environmental factor that prevents a population from incre…
limiting factor that depends on population size
population
group of individuals of the same species living in a particul…
carrying capacity
largest number of individuals of a population that a environm…
13 terms
Population Growth
All the individuals of a species that…
the statistic sway of populations make…
what are 3 key features of population
measurement of population per unit are…
population
demography
size, density, & dispersion
density
All the individuals of a species that…
population
the statistic sway of populations make…
demography
23 terms
Chapter 12 Population Growth and Regulation Key Terms
Demography
Growth Rate
Intrinsic Growth Rate (r)
Exponential Growth Model
the study of populations
in a population, the number of new individuals that are produ…
the highest possible per capita growth rate for a population
a model of population growth in which the population increase…
Demography
the study of populations
Growth Rate
in a population, the number of new individuals that are produ…
22 terms
Population Growth
Demography
Growth Rate
Intrinsic Growth Rate
Exponential Growth Model
study of populations
the number of new individuals that are produced minus those w…
the highest possible per capita growth rate for a population
a model of population growth in which the population increase…
Demography
study of populations
Growth Rate
the number of new individuals that are produced minus those w…
10 terms
Ch 11 Population Growth
carrying capacity (K)
Chi square
density-dependent factor
density-independent factor
the maximum population of a species that a particular ecosyst…
a statistic used to measure how much a sample distribution di…
biotic factor in the environment efforts on population may be…
abiotic factor the environment efforts on population may be i…
carrying capacity (K)
the maximum population of a species that a particular ecosyst…
Chi square
a statistic used to measure how much a sample distribution di…
13 terms
POPULATION ECOLOGY: POPULATION GROWTH
population density
random dispersion
clumping dispersion
uniform dispersion
the number of individuals of a population that inhabit a cert…
describing a dispersion pattern in which individuals are spac…
individuals "flock" together; most common dispersion pattern
even spacing of individuals of the same species within an area
population density
the number of individuals of a population that inhabit a cert…
random dispersion
describing a dispersion pattern in which individuals are spac…
19 terms
Ch. 6 Module 19 - Population Growth Modules
objectives:... - explain the exponential…
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…
the maximum potential for growth of a population under ideal…
objectives:... - explain the exponential…
...
population growth models
mathematical equations that can be used to predict population…
Population Growth and Regulation
demography
growth rate
intrinsic growth rate (r)
exponential growth model
the study of populations
in a population, the number of new individuals that are produ…
the highest possible per capita growth rate for a population
a model of population growth in which the population increase…
demography
the study of populations
growth rate
in a population, the number of new individuals that are produ…
Chapter 4 Section 3Population Growth
Population Growth Rate
Mortality
Survivorship Curves
Birth Rate
Is determined by births, deaths, immigration, and emigration…
The rate at which individuals die.
Show how individuals of different ages have different probabi…
Birth rate is expressed as number of births per 1000 people p…
Population Growth Rate
Is determined by births, deaths, immigration, and emigration…
Mortality
The rate at which individuals die.
23 terms
Chapter 12 Population growth and regulation
Demography
Growth rate
Intrinsic growth rate (r)
Exponential growth model
The study of populations
In a population, the number of new individuals that are produ…
The highest population per capita growth rate for a population
a model of population growth rate in which the population inc…
Demography
The study of populations
Growth rate
In a population, the number of new individuals that are produ…
58 terms
Chapter 6: Population and Community Ecology
population size
population density
population distribution
random uniform clumped
the total number of individuals within a defined area... i.e the…
number of individuals / area. ... this is a mathematical number…
how individuals are distributed with respect to one another
three types of population distribution
population size
the total number of individuals within a defined area... i.e the…
population density
number of individuals / area. ... this is a mathematical number…
24 terms
ch12 population growth
population demography
growth rate
intrinsic growth rate (r)
exponential growth model
the study of populations
the number of new individuals produced per unit of time minus…
highest possible per capita growth rate per population (ideal…
a model of population growth where the population continues t…
population demography
the study of populations
growth rate
the number of new individuals produced per unit of time minus…
14 terms
Population Growth
Population Growth
Model Parameter:
Assumptions:
Exponential Growth Model... Assumptions
Nt= # + Birth - Death + Immigration - Emigration
Variables we need to know to be able to make predictions
Conditions we assume are met to simplify the model
- Closed population ... - Birth rates and death death rates are…
Population Growth
Nt= # + Birth - Death + Immigration - Emigration
Model Parameter:
Variables we need to know to be able to make predictions
23 terms
Chapter 12 - Population Growth and Regulation
demography
growth rate
Intrinsic growth rate (r)
Exponential growth model
the study of populations
In a population, the number of new individuals that are produ…
the highest possible per capita growth rate for a population
A model of population growth in which the population increase…
demography
the study of populations
growth rate
In a population, the number of new individuals that are produ…
22 terms
CH. 12 - Population Growth
Demography
Growth Rate
Intrinsic Growth Rate (r)
Exponential Growth Rate
the study of populations
in a population, the number of new individuals that are produ…
the highest possible per capita growth rate for a population
a model of population growth in which the population increase…
Demography
the study of populations
Growth Rate
in a population, the number of new individuals that are produ…
27 terms
Eco - Geometric and Exponential Growth
Populations can grow at GEOMETRIC or E…
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 repr…
Populations can grow at GEOMETRIC or E…
in the presence of abundant resources.
Geometric Population Growth
growth by any population with pulsed reproduction.
115 terms
Bio Exam #4
Ecology
Ecological Population
Ecological Community
Fecundity
Interaction of organisms with their living and non-living env…
A group of individuals of the same species living in the same…
A mosaic of interacting populations of different types of org…
Average number of offspring per adult female of a species
Ecology
Interaction of organisms with their living and non-living env…
Ecological Population
A group of individuals of the same species living in the same…
16 terms
Bis2B Lecture 7 Population Growth
Population
Population Sampling
Density
Mark-Recapture Method
A group of individuals that belong to the same species and li…
Difficult to count EVERY individual in a population so,... -Samp…
Number of individual per area
1)Capture,mark and release (M) individuals... 2)Recapture anothe…
Population
A group of individuals that belong to the same species and li…
Population Sampling
Difficult to count EVERY individual in a population so,... -Samp…
43 terms
Population Ecology
Population
Population Ecology
Population Dynamics
Population Density
A group of individuals of a SINGLE SPECIES that occupy the sa…
The CHANGES IN POPULATIONS SIZE and THE FACTORS that regulate…
The interactions between biotic and abiotic factors that caus…
The number of individuals of a species per unit area or volum…
Population
A group of individuals of a SINGLE SPECIES that occupy the sa…
Population Ecology
The CHANGES IN POPULATIONS SIZE and THE FACTORS that regulate…
23 terms
Ch. 12: Population Growth and Regulation
demography
growth rate
intrinsic growth rate (r)
exponential growth model
the study of populations
in a population, the number of new individuals that are produ…
the highest possible per capita growth rate for a population
a model of population growth in which the population increase…
demography
the study of populations
growth rate
in a population, the number of new individuals that are produ…
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