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The parasympathetic nervous system is responsible for the fight-or-flight response.
Planet's Interior
The internal composition and structure of a planet, including its core, mantle, and crust.
Molecular Evidence
Refers to data derived from DNA, RNA, and protein sequences that is used to support hypotheses about the evolutionary relationships between organisms.
Biomarkers
Biological molecules found in blood, other body fluids, or tissues that are a sign of a normal or abnormal process, or of a condition or disease.
Fossil Record
The collection of preserved remains or traces of animals, plants, and other organisms from the past.
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