Definitions
Mechanisms of Density
Demographics
Population change
Hypothesize
100
# of individuals per unit area or volume is (1 word)...
Density
100
Hunting for prey is (1 word)
Predation
100
what does this graph represent?
Survivorship Curve
100
Negative effect on population
Death
100
What would happen to the population of brown bears in Alaska if there was a decline in the population of salmon that year...
There would be an imbalance in prey for hunters (bears) resulting in a decline of brown bear population
200
movement of individuals from one location to another is... (1 word)
Emigration
200
Fighting for limited source is (3 words)
Competition for resources
200
what does this table represent?
Life Table
200
Positive effect on population
Birth
200
There is a decline in the frog population in a pond, what will happen to the density of mosquito...
Mosquito population will increase due to lack of predation.
300
Defending of a physical space against intrusion of others is... (1 word)
Territoriality
300
Harmful pathogens that weaken or lessen population (1 word)
Disease
300
What type of growth does this represent (2 words)
Exponential Growth
300
Negative effect on population
Emigration
300
Polar bears move into grizzly bear territory, what are the polar bears doing and how could this effect the grizzly population? (2 ideas)
The polar bears are MIGRATING (immigration) in search of food. This could result in NEGATIVE RESULTS for the grizzly bear due to competition for resources
400
Influx of newcomers from different areas is... (1 word)
Immigration
400
Accumulation of harmful substances in an environment (2 words)
Toxic Waste
400
What type of growth does this represent (2 words)
Logistic Growth
400
Positive effect on population
Immigration
400
There has been an economic crisis in rural areas causing farmers (landowners) to move to cities. What are the farmers doing and how will it affect the human population? (2 ideas)
The farmers are EMIGRATING. Due to less farmers there will be less agricultural workers resulting in a food shortage without vital crops, resulting ins possible DECLINE of humans.
500
pattern of spacing among individuals in an area is... (1 word)
Dispersion
500
Internal biological factors that influence a population's size and health (2 words)
Intrinsic Factors
500
What does the yellow line represent (2 words)
Carrying Capacity
500
All four factors that effect population growth are...
Death, Birth, Immigration, and Emigration
500
A disease outbreaks in a small town, the survivors moved to another town. What happened to this population (Positive or Negative)? What did the survivors do by moving away (2 ideas)
The surviving citizens IMMIGRATED and those infected by the disease died resulting in a DECLINE to this population