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That is why the demand duty is restated as an aspect of the primary consumer duty.
Research and test marketing may identify a primary consumer group.
This snail is a primary consumer and directly depends on phytoplankton.
A predator to zooplankton and fish, the ringed seal is considered a primary consumer as well as a secondary consumer.
The primary consumers of dry edible beans are generally unwilling to pay for the higher cost of organic production.
Phenology of tropical forests: adaptive significance and consequences for primary consumers.
The phenology of tropical forests: adaptive significance and consequences for primary consumers.
The phenology of tropical forests: adaptative significance and consequences for primary consumers.
Primary production provides for all trophic members as it provides energy to primary consumers that in turn provide energy to secondary consumers and so forth.
Then come the primary consumers, such as grasshoppers, voles and bison, followed by the secondary consumers, shrews, hawks and small cats.
Larger organisms, such as snails, shrimp, crabs, tube worms, fish, and octopi, form a food chain of predator and prey relationships above the primary consumers.
Primary consumers are usually herbivores, feeding on plants and fungus.
The organisms that consume their tissues are called primary consumers or secondary producersherbivores.
Primary consumers have longer lifespans and slower growth rates that accumulates more biomass than the producers they consume.
Donor controlled food webs may be inherently more stable, because it is difficult for primary consumers to overtax their resources.