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- 1. Multiple Choice
The shrew provides energy for the _______?cricketgrasshopperfrogsnake - 2. Multiple ChoiceWhich of the following is a herbivore?cricketfroghawkshrew
- 3. Multiple ChoiceWhere do all life forms get their energy?Earth's CoreWaterPlantsThe Sun
- 4. Multiple ChoiceWhat is this called?Food WebFood ChainAbiotic Factors
- 5. Multiple ChoiceAll of the living and nonliving things in an area that interact with each other are called a/an ______.communityhabitatpopulationecosystem
- 6. Multiple ChoiceAn individual belonging to a specific speciesBioticCommunityOrganismReptile
- 7. Multiple ChoiceThe living part of an ecosystemBioticAbioticMother EarthFlowers
- 8. Multiple ChoiceThe non-living part of an ecosystemOceanLava FlowBirdsAbiotic
- 9. Multiple ChoiceOrganisms that look similar and can produce fertile offspringSpeciesFishCommunityTrees
- 10. Multiple ChoiceTwo or more members of a particular species living and interacting in the same areaCommunityPopulationOrganismsBiosphere
- 11. Multiple ChoiceDifferent populations living and interacting with each other in the same areaBiomeEcosystemCommunityNiche
- 12. Multiple ChoiceWhat may happen if the snowshoe hare was removed from the food web pictured?The insects in the habitat would increase.The shrew population would decrease due to being only hawk food source.The willow tree population would decrease.Foxes would dies due to no food source.
- 13. Multiple ChoiceIn the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?10%20%80%90%
- 14. Multiple ChoiceNitrogen fixation processes nitrogen from which of the following sources?lightningfertilizersdead plantsatmosphere
- 15. Multiple Choicewhich symbiosis is thisparasitismmutualismcommensalismnonalism
- 16. Multiple Choicesymbiotic relationship in which both organisms benefitcompetitionMutualismnitrogen fixationenergy pyramid
- 17. Multiple Choice78% of Earth's atmosphere is nitrogen gas. All living things need nitrogen as a part of DNA and RNA. Yet you and I, and other living things, cannot use the nitrogen in our atmosphere directly. One type of organism is responsible for "fixing" nitrogen or helping to put it in a form so other living things can use it. That organism isbacteria.fungi.plants.viruses.
- 18. Multiple ChoiceHow animals get the nitrogen they needfrom the air they breathefrom the water they drinkfrom the food they eatfrom the Sun
- 19. Multiple ChoiceHow nitrogen is "fixed" into useable form for plantsonly through action of bacteriaonly through lightningthrough action of bacteria & lightningthrough photosynthesis
- 20. Multiple Choice
What is the process of combining nitrogen gas with other elements to make nitrogen into usable compounds?
nitrogen composition
nitrogen fixation
ammonia
denitrification
- 21. Multiple Choice
What process occurs when dead plant and animal matter decomposes and nitrogen is released back into the atmosphere?
Assimilation
Fixation
Ammonification
Denitrification
- 22. Multiple ChoiceBased on the graph shown, what is the effect of removing a keystone species from an ecosystem?biodiversity goes upbiodiversity goes downbiodiversity stays about the samenot enough information to tell
- 23. Multiple ChoiceBased on the graph shown, how can you tell sea otters are a keystone species?as the sea otter population decreases, biodiversity increasesas sea otter population increases, biodiversity increaseschanges in the sea otter population have little effect on biodiversitythe sea otter population dereases due to the presence of urchins
- 24. Multiple ChoiceWhen a specific population grows past the ecosystem's carrying capacity, what happens to the population?Density Independent limiting factors start to occur resulting in the population going farther above carrying capacity.Density Dependent limiting factors start to occur resulting in the population going back below carrying capacity.The population will go extinct due to lack of resourcesThe population grows then finds a new carrying capacity
- 25. Multiple ChoiceThe total number of individuals a habitat can survive with the resources it has available.Carrying capacityLimiting factorsResourcesPopulation
- 26. Multiple ChoiceExcessive amounts of rain caused a flood in the southwest United States that resulted in substantial amounts of deaths in the rabbit population? This situation is an example of a density _____________ limiting factor.density-independentdensity-dependentdensity- too highdensity- too low
- 27. Multiple Choice
A lion and a cheetah attempt to occupy the same niche. The more aggressive lion survives; the cheetah does not.
Density-Dependent: Competition
Density-Independent: Competition
Density-Dependent: Predator-Prey
Density-Independent: Predator-Prey
- 28. Multiple ChoiceReplacement of one type of community by another at a single place over timesymbiosissuccessioncompetitioncooperation
- 29. Multiple ChoiceFirst species to arrive in an areainvasive speciesabiotic componentspioneer speciesparasites
- 30. Multiple ChoiceStable, final stage of successionadaptationpioneer speciesnicheclimax community
- 31. Multiple ChoiceFirst species occuring in areas of primary succession are mosses andgrasseswildflowerstreeslichens
- 32. Multiple ChoiceSuccession type?primary successionsecondary successiontertiary successionvariable succession
- 33. Multiple ChoiceSuccession type?primary successionsecondary successiontertiary successionvariable succession
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