Question 1 6 out of 6 points

This preview shows page 9 - 12 out of 54 pages.

Question 1 6 out of 6 points Which of the following scenarios would exemplify a density-dependent population  regulation factor?
Question 2 6 out of 6 points How many years did it take for the world's population to go from one billion to two  billion?
Correct Answer:   130 years Question 3 6 out of 6 points How many years did it take for the world's population to go from one billion to 4  billion?
Question 4 6 out of 6 points The Pacific Salmon begins its life in freshwater, eventually swimming downriver to  the Pacific Ocean. When mature, the fish swims back up the river where it began its life. There, the fish mates. Not long after mating, the fish dies. What is this an  example of?
Question 5 6 out of 6 points An age structure diagram that is very wide on the bottom and tightly pyramid  shaped is an indication of:
Question 6 45 out of 50 points Match the term to the answer.
Question Correct Match Selected Match Population size I.   The total number of individuals of a species worldwide I.   The total number of individuals of a species worldwide Population density J.   The number of individuals within a specific area J.   The number of individuals within a specific area Quadrat A. A sampling method used to determine population size and density of slow moving or stationary organisms A. A sampling method used to determine population size and density of slow moving or stationary organisms Mark and recapture K.   Used to determine population size of mobile organisms K.   Used to determine population size of mobile organisms Demography E.   The statistical study of population changes over time E.   The statistical study of population changes over time Mortality rate C. The probability of individuals dying before their next birthday C. The probability of individuals dying before their next birthday Fecundity B. The potential reproductive capacity of an individual within a population B. The potential reproductive capacity of an individual within a population Interspecfic competition F.   Species contending for resources in a shared habitat G. A description of how an organism maintains and reproduces itself from its birth until its death Age structure H. The proportion of individuals of a population at specific age ranges H. The proportion of individuals of a population at specific age ranges Intraspecific competition D.

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture