Examlex
The scientist finds that the heavy metal concentration in the insect-eating birds of a fragment does not depend on the relative amount of edge habitat of that fragment.Which of the following describes how experimental error may have influenced the results?
Placebo
A harmless pill, medicine, or procedure prescribed more for the psychological benefit to the patient than for any physiological effect.
Fertilizer
A chemical or natural substance added to soil or land to increase its fertility.
Sunlight
Electromagnetic radiation emitted by the Sun, essential for life on Earth, influencing climate and weather patterns and providing energy for photosynthesis in plants.
Tomato Yield
The quantity of tomatoes that is produced in a particular area or by a specific plant, often measured in weight or units per area.
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