Show:
Vocabulary
Pop. Density
Ecological Factors
Pop. Growth
Populations
100
Another name for the Death Rate
Mortality Rate
100
Separated by a consistent distance
Uniform
100
Group of organisms that belong to the same species
Population
100
Nomadic groups obtained food by hunting animals and gathering plants
hunter-gatherer lifestyle
100
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Type of population Density
Uniform
200
Number of individuals born into the population
Birth Rate
200
How crowded a population is
Population Density
200
Control population sizes. (Space, food, water, mates)
Limiting factors
200
Humans began to domesticate animals and cultivate plants
Agricultural Revolution
200
.... . ..... ..... . . ..... .... ..... ..... . ..... Type of Population Density
Clumped
300
Individuals moving into a population
Immigration
300
Spatial distribution of individuals within the population
Dispersion
300
Number of organisms the environment can support
Carrying capacity
300
20% Population live in modern, industrialized countries such as US, Japan, Canada
Developed Countries
300
. .. . . . . . Type of Population Density
Random
400
Average life span of species (Male 78, Female 81)
Life Expectancy
400
Individuals clustered together
Clumped
400
Reduce population by the same proportion regardless of size
Density Independent
400
80% of population live in poorer countries including Asia, Central and South America
Developing Countries
400
Individuals moving out of a population
Emigration
500
Birth, Death, Immigration, and Emigration all combined
Growth Rate
500
Individuals location is independent of the location of others
Random
500
Chances of survival depend on the number of individuals in the area
Density-dependent
500
World Population Today
7 Billion
500
Give two examples of limiting factors that control population sizes
Space, Food, Mates, Disease, Water