Examlex
Choose the one alternative that best completes the statement or answers the question.
Determine whether the ordered pair is a solution of the system.
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Dinosaurs
A diverse group of reptiles of the clade Dinosauria that first appeared during the Mesozoic Era.
Flowering Plants
Plants that produce flowers as reproductive structures, capable of developing into fruit and seeds.
Biomarker
Molecular evidence of life in the fossil record. Biomarkers can include fragments of DNA, molecules such as amino acids, or isotopic ratios.
Amino Acids
Organic compounds that combine to form proteins, serving as the building blocks of life and playing a central role in biological processes.
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