Examlex
An informal group of patients discuss their perceptions of nursing care. Which comment best indicates a patient's perception that his or her nurse is caring?
Trophic Levels
The hierarchical levels in an ecosystem, determined by the feeding position of organisms in food chains.
Energy Loss
The reduction in energy as it moves through the trophic levels of an ecosystem; often described in the context of the inefficiency of energy transfer between levels.
Tertiary Consumers
Carnivores that eat secondary consumers; they are often apex predators in their ecosystems.
Secondary Consumers
Organisms that feed on primary consumers in an ecosystem; they are typically carnivores or omnivores.
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