Examlex
Explain the relationship between the genotype and the phenotype of a given trait.
Guano
The accumulated excrement of seabirds or bats, used historically as a highly effective fertilizer because of its high nitrogen, phosphate, and potassium content.
Limestone
A sedimentary rock composed mainly of calcium carbonate, often used in construction and as a raw material in cement production.
Aquifer
An underground layer of water-bearing permeable rock, rock fractures, or unconsolidated materials (gravel, sand, or silt) from which groundwater can be extracted using a water well.
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