Conservation of Natural ResourcesEndangered SpeciesBiodiversityGeographyEcosystemConserved SequenceMolecular Sequence DataEvolution, MolecularAmino Acid SequencePhylogenyBase SequenceSequence AlignmentSpecies SpecificitySequence Homology, Amino AcidExtinction, BiologicalConservation of Energy ResourcesBiological EvolutionSequence Homology, Nucleic AcidFisheriesGenetic VariationTreesSequence Analysis, DNAPopulation DynamicsHuman ActivitiesCloning, MolecularVertebratesEcologySyntenyMammals