Multiple Choice
Birth and death rates are expressed as the number per _____ individuals per unit of time.
50. Population Ecology
Population Demography
Back50. Population Ecology
Population Demography
- Multiple ChoiceWhich of the following is best at showing the life expectancy of an individual within a population?1views
- Multiple ChoiceIn population demography, what term describes the number of individuals per unit area or volume?1views
- Multiple ChoiceWhich three demographic factors directly affect the size of a population?1views
- Multiple ChoiceWhat happens to the density of a population as a result of mortality and emigration?2views
- Multiple ChoiceWhich of the following examples best represents individuals of the same population?
- Multiple Choice
Based on the following survivorship curve for moose, how many moose in an initial cohort of 3,500 individuals would you expect to survive to age 20?
1views - Multiple ChoicePopulation ecologists follow the fate of same-age cohorts to determine:1views
- Multiple Choice
A carp has many offspring at once, but the majority of them are eaten by predators in their first year of life. As carp develop & grow, they have fewer predators in later life. Which survivorship curve do carp exhibit?
- Multiple Choice
Which of the following statements about life tables is true?
- Multiple Choice
If a cohort of female European Hedgehogs has a starting population of 2,500 and a survivorship of 0.353 after 2 years, how many hedgehogs make it to 2 years old?