Population Ecology

Front 1

age structure

Back 1

relative number of individuals in a cohort or a population

Front 2

allee effect

Back 2

example of positive feedback. growth rates increase with population size

Front 3

carrying capacity

Back 3

population stabalizes at a certain size of particular place where it lives

Front 4

clumped

Back 4

individuals clustered together in response too uneven distribution of resources

Front 5

demography

Back 5

study of statistics that illustrates the changing structure of populations, quantitative study of populations

Front 6

density

Back 6

number of organisms in area divided by amount of area

Front 7

density dependent factors

Back 7

depend on population size

Front 8

density independent factors

Back 8

natural disasters, affect regardless of size

Front 9

distribution

Back 9

random, uniform, or clumped

Front 10

ecology

Back 10

relations of organisms to one another and their physical surrondings

Front 11

environmentalism

Back 11

environmental protection

Front 12

exponential growth

Back 12

when resources in a habitat are unlimted the population in that habitat will grow in a geometric fashion

Front 13

fecundity

Back 13

number of offspring produced in a standard time

Front 14

generation time

Back 14

average interval between the birth of an individual and the birth of its offspring

Front 15

growth rate

Back 15

measures how populations change in size

Front 16

growth shape

Back 16

how the population shapes up to look like

Front 17

intrinsic growth rate

Back 17

birth rate-death rate, maximum rate at which a population will grow under ideal conditions

Front 18

limitation

Back 18

limits own growth by own actions

Front 19

logistic growth

Back 19

s-shaped curve of population, common model for population

Front 20

metapopulation

Back 20

network of distinct populations that interact with one another by exchanging individuals

Front 21

mortality

Back 21

the proportion of indivudals that started an interval alive but died at the end of it

Front 22

phenotypic plasticity

Back 22

individual adaptation, change phenotype in response to environemt

Front 23

population ecology

Back 23

dynamics of species interactions and how they interact with the environment

Front 24

population growth

Back 24

increase in number of individuals in a population

Front 25

populations

Back 25

collection of organisms

Front 26

regulation

Back 26

the adaptation of form or behavior of an organism to changed conditions

Front 27

uniform spacing

Back 27

population is spaced uniformly