Vocabulary
Population Characteristics
Limiting Factors
Growth Rates
Population Ecology
100
The number of individuals of a species living per unit area
What is population density?
100
_______________ is a group of the same species in the same place at the same time.
What is a population?
100
Limiting factors can be abiotic or biotic. True or False
True
100
This type of population growth grows by a fixed percentage each year, increasing rapidly over time
What is exponential growth?
100
The study of living things and their interactions with their environment
What is ecology?
200
Any limiting factor in the environment that does not depend on the number of members in a population
What are density-independent factors?
200
The three types of population distribution (how species in a population are spread out in an area)
What is uniform, random, and clumped?
200
Give an example of a density independent factor.
What is any natural disaster or weather event?
200
Mice usually have a lot of offspring that die early in life. What category of species would they be considered?
What is r-selected?
200
A rock is considered a biotic factor. True or False
What is false?
300
The number of individuals moving away from a population
What is emigration?
300
Diagrams that show a visual representation of the ages of individuals in a population
What are age structure diagrams?
300
Give an example of density-dependent factor
What are parasites, predation, or competition?
300
This age structure diagram shows a certain population. Is this population growing, stable, or declining?
What is growing population?
300
This type of survivorship curve has high survival in early/midlife, with increased mortality in old age
What is Type I?
400
A category of species with a short lifespan, produces many offspring, and has high infant mortality
What is r-selected species?
400
Members of this type of population density have it easier finding mates, but are more vulnerable to predators, competition and disease
What is high population density (smaller organisms)?
400
This term refers to the birth rate within a certain population
What is natality?
400
The age structure diagram shows a certain population. Is this population growing, stable, or declining?
What is declining population?
400
A certain fish population has the following data below. What is it's growth rate?
Births: 60
Deaths: 50
Immigration: 30
Emigration: 15
What is -5 fish?
500
The largest population size an environment can support at a certain time
What is carrying capacity?
500
This is the ideal ratio of males to females in a stable population
What is 50-50?
500
Which of the following would be considered a density-dependent factor?
A. Forest fire
B. Flood
C. Disease transmission
D. Hurricane
C. Disease transmission
500
Which type of population growth starts exponentially, but slows due to limiting factors?
What is logistic growth?
500
This category of species have long lifespans, produce few offspring and care for them, and has few infant mortality
What is a K-selected species?