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Demography
Growth
Limiting Factors
True/False
Assorted
100
A __________is taken every ten years
What is Cencus
100
The most important factor that determines a populations growth.
What is the Reprodutive Pattern
100
Competition will increase as a population rises above its ________ capacity.
What is Carrying
100
Linear growth shows a population growing at a faster rate as it gets larger.
False. Exponential growth.
100
Can affect populations regardless of thier density.
Density-independent factors
200
The number of live births per 1001 population
What is birth rate
200
Causes an organism stress that can lead to a decrease in population size.
What is Over-Crowding
200
An organisms ________ pattern will have an effect on how long the organism lives.
What is life-history
200
If the birth rate exceeds the death rate over a period of time, then the population has grown.
True.
200
The study of human population.
Demography
300
The number of deaths per 1000 population in a given year.
What is Death Rate
300
The population will never grow indefinitley due to ________ Factors.
What is Limiting
300
Predator-Prey relationsips will decrease the _______ population.
What is Preys
300
Competition will decrease as a population goes past its carrying capacity.
False. Increase.
300
Refers to the proportion of the populaiton that are at different age levels
Age structure
400
If the birth rate of a population and the death rate of a population are equal, the population growth rate is
Zero
400
The number of organisms that one species that an envirnment can support.
What is Carrying Capacity
400
Resources like _____ and _______ are needed in every population.
What is Food; Water
400
Worldwide human populations have increased exponentialy over the last few centuries.
True.
400
A country with a __________ doubling rate will double in size faster than a low doubling rate.
What is high
500
The time needed for a population to double in size.
What is Doubling Time
500
A type of growth that has a J shape on a graph, representing the population growing at a faster rate when it gets larger.
What is Exponential growth
500
Competition decreases the size of a population when competition _________.
What is Increases
500
Birthrates and death rates of countries around the world are basically the same.
False. Very different.
500
If a country has a ____ birthrate and a low deathrate, it will grow slowly, if at all.
What is low