They may have different phenotypes because of differences in their environments, such as nutrition and healthcare.
Both chordates and invertebrates have pharyngeal pouches
Binomial nomenclature is naming a organism by its genus and species the rules are the genus always comes first and the first letter is capitalized and the species always comes second and is lower case so the mountain lion would be Felis concolor
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PMI is very important in forensics because having a time of death can help with the identification of human remains and can support or deny the stated actions of suspects in the crime.