Final 1/2
Terms
undefined, object
copy deck
- J-shaped
- 24.A population with an exponential growth rate exhibits a_____________ growth curve.
- emigration
- 24.What factor besides death could account for population decrease in an area? (one word)
- humans: predict future resource requirements. wildlife: help set fish and game limits.
- 15.How could knowledge of age distribution be used in humans? Wildlife?
- density
- 10.population size in relation to some unit space is a measure of ____________
- population properties; demography
- 2.Properties that apply to a population but not the individual of the population are called _____.
- biotic potential
- The max number of individuals that could be added to a population per unit time under non limiting conditions is the _______________.
- fecundity
- 15.The number of offspring produced in a time period by an individual is called___________
- population
- A group of individuals that can exchange genetic material and occupy a given are form a ____.
- R-selected, Type 3
- 24.Species that produce a very large number of offspring and most die very young are ________ and have a _____________ survivorship curve.
- longevity
- 15.The length of life of an organism is called the __________________
- density independent
- 32.Factors that determine the number of individuals of a species that an area can support are called_______________ factors.
- competition, emigration, reproductivity, predation, disease and stress
- List 5 factors that keep population density near the density the area can support.
- climate, food, habitat
- 32.List 3 factors that determines the number of individuals of of a species that an area can support.
- Density, biotic potential, age distribution, dispersion, natality rate, mortality rate, population growth form
- 2.List 7 properties that apply to a population, but not the individuals of the population.
- marking does not affect organism, emigration=immigration, natality=mortality
- 10.list three assumptions of the Lincoln- Peterson index to obtain a sample size.
- K-selected, Type 1
- 30.Species that produce few offspring and most have a long life span are __________ and have a __________ survivorship curve.
- S-shaped (sigmoidal)
- 24.A population with a logistic growth form exhibits a _______________________ growth curve.
- mortality rate
- 15.The number of individuals dying per unit time is the __________________
- environmental resistance
- 43.All factors collectively that keep the maximum possible rate of population increase from occurring is called the ___________________.
- it is declining
- A population with a very large number of middle aged individuals and a smaller number of young individuals indicates what about the population?
- natality rate
- 15.Number of individuals added to a population per unit time is the ____________
- it is expanding
- A population with a very large number of young individuals and a smaller number of middle aged individuals indicates what about the population?
- 40
- 10.10 mice captured, marked, released. 2nd capture, 20 caught, 5 of these had been marked. What is estimated population size using lincoln-peterson index? Show calculations
- carrying capacity
- 32.The number of individuals of a species that an area can support is called the _____________.
- density dependent
- 37.Factors that keep population density near the number the area can support are called _____________ factors.
- immigration
- 24.What factor besides births could account for an increase in population size for an area? (One word)