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- 1. Multiple Choice
Without limiting factors, a population will have what type of growth?Logarithmic (s curve)Linear (straight line)Exponential (j curve)Quadratic (u shaped curve) - 2. Multiple ChoiceWill competition increase/decrease the carrying capacity of an ecosystem for the animal in competition?DecreaseIncrease
- 3. Multiple ChoiceWhen a population grows past the ecosystem's carrying capacity, what happens to the population?Continues to growThe population starts to die off to return to carrying capcityThe population will go extinct due to lack of resourcesThe population grows then finds a new carrying capacity
- 4. Multiple ChoiceWhich of the following is a limited resource?TreesSunlightAir
- 5. Multiple ChoiceWhat effect will an invasive species have on the carrying capacity of an ecosystem?The carrying capacity will increaseThe carrying capacity for everyone will decreaseThe carrying capacity will only decrease for those in competition for same resourceThe carrying capacity for all animals will stay the same
- 6. Multiple ChoiceIf a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?The bird population would stay the sameThe bird population would infinitely increaseThe bird population would decrease
- 7. Multiple ChoiceKudzu has overgrown many parts of southern Missouri and native ground plants have disappeared from the area. This is an example of:Parasitism between kudzu and the native plantsA predator prey relationship between ground plants and kudzuCompetition occurring between the native and invasive speciesCommesalism occurring between the kudzo and native plants
- 8. Multiple ChoiceA population of an organism will only grow exponentially if:The resources are unlimitedThey want toThe resources are unlimitedThey do not like to compete
- 9. Multiple ChoiceThe field mouse population in Australia has grown so fast that they eat an average of $4 billion of wheat every year. Their fast growth is caused by:A. The mice like to reproduceB. A lack of a native species to eat the field mouseC. Abundant food supplyBoth B and C
- 10. Multiple ChoiceWhat letter shape graph would represent a population meeting carrying capacity in an ecosystem?JUSL
- 11. Multiple ChoiceIf the amount of food or resources available increases, the carrying capacity for an animal:Stays the sameIncreasesDecreasesFluctuates
- 12. Multiple ChoiceIn a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?Squirrel PopulationSunlightGrass available
- 13. Multiple ChoiceIf the carrying capacity of a predator decreases, what will happen to the carrying capacity of the prey?Will IncreaseWill DecreaseWill stay the sameWill fluctuate
- 14. Multiple ChoiceThe parasitic wasp injects its larvae into caterpillars . Acid rain has destroyed the caterpillar population. What will happen to the wasp population?Stay the sameIncreaseDecrease
- 15. Multiple ChoiceWhich of the following would change the carrying capacity of a forest ecosystem?Long term climate changeDeforestationDroughtAll of the above
- 16. Multiple ChoiceIf a mountain lion population was removed from its ecosystem what would happen to the rest of the food web?the animals like rabbits and squirrels explode in populationcarrying capacity decreases due to instabilitythe variety within ecosystem declinesall of the above
- 17. Multiple ChoiceA non-native plant that causes problems to the environment that it is introduced to is called __________.InvasiveUselessIndigenousPurple
- 18. Multiple ChoiceHow do invasive plants damage the environment?Compete with native speciesChange plant communityAlter diversityAll of these
- 19. Multiple ChoiceWhat will happen to the population when the death rate is larger than the birth rate?growshrinkstay the same
- 20. Multiple ChoiceWhat will happen to the population when the birth rate is larger than the death rate?growshrinkstay the same
- 21. Multiple ChoiceWhat type of growth is represented behind?exponentiallogisticsa good kindrepresentative
- 22. Multiple ChoiceWhat is the carrying capacity of the graph?around 500more than 500less than 500around 600
- 23. Multiple ChoiceThe two species, Paramecium aurelia and Paramecium caudatum, which do not prey upon each other, fighting to grow in the same test tube is an example of which of the following?CompetitionPredationEmigrationImmigration
- 24. Multiple ChoiceBiotic or abiotic things that control the size of a populationLimiting factordensity- dependent factordensity- independent factottolerance
- 25. Multiple ChoiceHow fast a specific population growsdispersionpopulation densitypopulation growth ratedensity- independent factor
- 26. Multiple ChoiceThe largest number of individuals in a species that an environment can support long termcarrying capacityemigrationimmigrationpopulation density
- 27. Multiple ChoiceAny thing or organism that regulates the size of a population is known as __________.a limiting measurea limiting factorcarrying capacitybiodiversity
- 28. Multiple ChoiceWhich of the following would INCREASE the carrying capacity of an ecosystem?increase in predatorsdiseaseincrease in available fooddrought
- 29. Multiple ChoiceLower biodiversity results in...A less stable ecosystemincreased ability to adapt to changwhabitat destruction and fragmentationincreased invasive species
- 30. Multiple ChoiceThe point in which an area cannot hold any more individuals in an area is called its what?carrying capacitycapital capacitycarrying capabilitylimiting point
- 31. Multiple ChoiceIf the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?It will increaseIt will decreaseIt will stay the sameIt doesn't matter
- 32. Multiple Choiceanything that an organism needs to live, ex. food, water, spacecarrying capacityresourcesuccessiondenitrification
- 33. Multiple ChoiceIf the population of a certain predator increases, there is often _______ its preya decrease the population ofan increase of the population ofgreat news forno impact on
- 34. Multiple ChoiceOnce a population reaches carrying capacity, they stay at the number year after yearTrueFalse
- 35. Multiple ChoiceAn organism is an invasive species if:They consume many resourcesThey naturally occur in the areaHave no natural predator in the area, and did not originate thereThey only eat one type of resource
- 36. Multiple ChoiceCompetition:A. Can lead to the extinction of an organismB. Can decrease the carrying capacity of an organismC. Only happens when two animals fight for same resourceD. Both A and B
- 37. Multiple ChoiceThe introduction of an invasive species:Decreases the carrying capacity of native speciesDestroys biodiversityDestabilizes the environmentAll of the above
- 38. Multiple ChoiceOnce an animal population goes below its carrying capacity due to death from lack of resources, in the next generation why could the population increase over carrying capacity again?When part of the population died, the next year, there was more than enough resources for the population to eat, the more resources meant more babies born and surviving.The population could not exceed carrying capacity again because not enough of the animals would have babiesThe population could increase over carrying capacity because they learned how to survive from the harsh year before where so many died
- 39. Multiple ChoiceWhich of the following could lead to a decrease in carrying capacity?Ample rainfallDestruction of habitatMore seeds of nearby trees being plantedAn increase in healthcare options
- 40. Multiple ChoiceWhich statement represents a characteristic of an ecosystem that is not likely to sustain itself?The Sun provides the needed energy.Energy is transferred from plants to animals.There are more consumers than producers.There are interactions between biotic and abiotic factors.
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