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A species that influences the survival of many other species in an ecosystem is called a(n)a.niche species.b.extinct species.c.keystone species.d.endangered species.Please select the best answer from the choices providedABCDIf all members of a species disappear from Earth, the species is said to bea.extinct.b.endangered.c.threatened.d.keystone.Please select the best answer from the choices providedABCDYellowstone National Park, the world’s first national park, is an example ofa.captive breeding.b.habitat preservation.c.habitat destruction.d.poaching.Please select the best answer from the choices providedABCDA species that influences the survival of many other species in an ecosystem is called a(n) _________________________.a.biomec.omnivoreb.keystone speciesd.decomposerPlease select the best answer from the choices providedABCDAn organism that is in danger of becoming extinct is said to be _______.a.threatenedb.endangeredc.disappearingd.hiddenPlease select the best answer from the choices providedABCDAll of the following are threats to biodiversity EXCEPTa.habitat destruction.b.gene pool diversity.c.pollution.d.exotic species.Please select the best answer from the choices providedABCDThe most diverse ecosystems on Earth area.tropical rain forests.b.coral reefs.c.deep-sea areas.d.fisheries.Please select the best answer from the choices providedABCDWhich of these activities can threaten biodiversity?a.habitat preservationb.resource conservationc.increase in pollutiond.having a variety of nichesPlease select the best answer from the choices providedABCDWhich of the following does NOT preserve biodiversity?a.captive breedingb.laws to protect speciesc.establishing wildlife preservesd.poaching endangered speciesPlease select the best answer from the choices providedABCDAll of the following factors affect an area’s biodiversity EXCEPTa.area.b.number of endangered species.c.climate.d.diversity of niches.Please select the best answer from the choices providedABCD

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