Limestone Is Composed Almost Entirely of Calcite, Which Has the Chemical

question 64

Multiple Choice

Limestone is composed almost entirely of calcite, which has the chemical formula CaCO₃. As a result, limestone is classified as____________ .

• A) a rock
• B) a mineral
• C) both a mineral and a rock
• D) neither a mineral nor a rock because it is organic

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Definitions:

Neck Length

A physical trait referring to the distance from the base of an animal's skull to its shoulders, significant in studies of natural selection and adaptation.

Evolutionary Change

A change in the genetic composition of a population over successive generations, leading to the development of new species or variation within species.

Adaptive Evolution

The process through which populations become better suited to their environment through changes in genetic traits over generations.

Phenotypic Plasticity

The ability of an organism to change its phenotype in response to changes in the environment, showcasing the flexibility and adaptability of developmental processes.