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Chemistry LibreTexts

5.1 Unit 5 Exam

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  • cc_profilecc.exam.v0p1qmd_assessmenttypeExaminationqmd_scoretypePercentagecc_maxattempts1
    cc_profilecc.multiple_choice.v0p1A group of organisms of the same species that live in the same area is called a(n)community.population.biome.ecosystem.2100cc_profilecc.multiple_choice.v0p1Herbivores are which of the following?producerssecondary consumersprimary consumersdecomposers7100cc_profilecc.multiple_choice.v0p1Which phrase best describes biodiversity?the number of individuals in an ecosystemthe amount of biomass in an ecosystemthe amount of available energy in an ecosystemthe number of species in an ecosystem12100cc_profilecc.multiple_choice.v0p1What do all the biotic and abiotic factors in a given area make up?a habitata communityan ecosystema population15100cc_profilecc.multiple_choice.v0p1Which process is part of the hydrologic cycle?nitrificationevaporationdecompositionammonification18100cc_profilecc.multiple_choice.v0p1Which model shows the number of organisms at each trophic level in an ecosystem?biomass pyramidfood webpyramid of numbersfood chain23100cc_profilecc.multiple_choice.v0p1Which of the following provide most of the energy in ecosystems?keystone speciescarnivoresgeneralistsproducers28100cc_profilecc.multiple_choice.v0p1An organism that has an unusually large effect on an ecosystem is called a(n)keystone species.omnivore.biotic factor.heterotroph.29100cc_profilecc.multiple_choice.v0p1A major regional or global community of organisms is calledan ecosystem.a biome.a species.a population.34100cc_profilecc.multiple_choice.v0p1Hawks and foxes compete to eat field mice. This is a form ofinterspecific competition.competitive exclusion.intraspecific predation.random dispersion.37100cc_profilecc.multiple_choice.v0p1Which of these is an example of parasitism?A lion defends its territory.A squirrel stores food in a tree hole.A leech feeds on a host's blood.A polar bear kills and eats a seal.43100cc_profilecc.multiple_choice.v0p1Hawaii's lush tropical forests arose from a process ofsuccession.predation.regeneration.destruction.45100cc_profilecc.multiple_choice.v0p1Pioneer species are the firsttrees to grow in an area that has been disturbed.trees that replace the original trees after a forest fire.organisms to live in previously uninhabited areas.organisms to live in a forest canopy.51100cc_profilecc.multiple_choice.v0p1In what biome is biodiversity the highest?temperate forestsgrasslandstropical rain forestsdeserts55100cc_profilecc.essay.v0p1qmd_computerscoredNo<p>Explain how a change in the habitat of a species might affect the entire ecosystem.</p>100cc_profilecc.essay.v0p1qmd_computerscoredNoHow do food webs show the flow of energy?100