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- 1. Multiple ChoiceAll of the following are density-dependent factors that limit animal populations EXCEPT.weatherpredationfood competitionbirthrate
- 2. Multiple Choice
Which point on the graph represents carrying capacity?ABCD - 3. Multiple ChoiceWhich of the following represents the combination of all relevant environmental variables in which a species or population lives?cladehybrid zonephylogenyecological niche
- 4. Multiple ChoiceRefer to the diagram of the survivorship curve.
Which curve best describes an organism that invests a lot of energy in parenting?ABCthis is not a survivorship curve - 5. Multiple ChoiceA species described as r-strategist would definitely NOT have which of the following characteristics?clumped population patternmuch parentingmany offspringrandom population pattern
- 6. Multiple ChoiceWhich letter shows the the exponential growth of a population?ABCD
- 7. Multiple ChoiceThe maximum population size for a species based on the environmental factors is calledecological footprintcarrying capacitypopulation growthenvironmental capacity
- 8. Multiple ChoiceThere are 200 bears in an area. 10 emigrate, 15 immigrate, 10 are born and 20 die. How many are left?195205200260
- 9. Multiple ChoiceRefer to a population of 500 that experiences 55 births and 5 deaths during a one year period.
If the population maintains the current growth pattern, a plot of its growth would resemble which of the following?exponential growthfluctuating growthK-selected growthlogistic growth - 10. Multiple ChoiceWhich of the following correctly describes the interactions between T. castaneum and the parasite.The parasite decreases the population density of beetles in each culture dish.The parasite increases the population density of beetles in each culture dish.The parasite has no effect on the population density of the beetles.
- 11. Multiple ChoiceWhat is the rate of change for the population grown without a parasite from day 200 to day 400?200 daysa loss of approximately 15 beetles/200 daysa loss of approximately 30 beetles/200 days30 beetles
- 12. Multiple ChoiceWhich of the following is an example of a density-independent limiting factor?A parasiteA natural disasterA decrease in preyA food shortage
- 13. Multiple Choice__________ growth shows growth of a population under environmental constraints (carrying capacity-K) that sets a maximum population sizelogisticexponentialnicheuniform
- 14. Multiple Choice________ grow slowly over time, cares for its young over a long period of time and is usually near the carrying capacity of its ecosystem.K-strategistsR-strategistsUniform strategistsenvironmentalists
- 15. Multiple ChoiceThese types of organisms which multiply rapidly in numbersR-strategistsK-strategistspredatorsmutualists
- 16. Multiple ChoiceJ-Shaped curvesshow a decline after an increasedisplay populations that have reached carrying capacityrepresent exponential growthdoes not depend on the numbe rof resources
- 17. Multiple ChoiceWhich of the following statements would NOT be true of a population that is remaining at its carrying capacity?Birth rate is equal to the death rate.Immigration and emigration are equal.Temperature and rainfall patterns are consistent.The number of predators in the area is decreasing due to a viral disease.
- 18. Multiple ChoiceWhat is the appoximate carrying capacity for this population?1.51.751.5 million1.25 million
- 19. Multiple ChoiceWhich of the following countries have the highest birth rate?NigeriaUnited StatesGermanyAll have the same birth rate
- 20. Multiple ChoiceIn which of the following patterns of population do organisms have an unpredictable distribution?RandomClumpedUniformAll of the above.
- 21. Multiple ChoiceA certain plant needs moisture, carbon dioxide, oxygen, light, and minerals to survive. This scenario shows that this particular living organism depends on .Biotic and Abiotc FactorsBiotic FactorsAbiotic FactorsNone of the Above
- 22. Multiple Choicedensity-independent limiting factordiseaseparasitismfirecompetition
- 23. Multiple Choice
Predator population lags behind prey population because:
Increase in predators leads to decrease in prey
Increase in predators leads to increase in prey
Increase in predators leads to decrease in producers
- 24. Multiple ChoiceThe carrying capacity of an environment for a particular species at a particular time is determined by thenumber of individuals in the species.distribution of the population.reproductive potential of the species.supply of the most limited resources
- 25. Multiple ChoiceRefer to the diagram of the survivorship curve.
Which curve best describes an organism that invests a lot of energy in parenting?ABCthis is not a survivorship curve - Answer choicesTagsAnswer choicesTags