Environmental Science
The species of plants that play a vital role in controlling the relative abundance of other species in a community are called

Pioneer species
Link species
Edge species
Successional species
Keystone species

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Environmental Science
Lead poisoning

reduces O2 carrying capacity of myoglobin in muscles
increases O2 carrying capacity of hemoglobin in blood
reduces O2 carrying capacity of hemoglobin in blood
increases O2 carrying capacity of myoglobin in muscles

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