an animal is a kind of eukaryote
animal_cell is eukaryotic_cell. eukaryoyte is organism. eukaryote_species is species. animal_species is eukaryote_species. horse is eukaryotic_organism. eulachon is eukaryotic_organism. eukaryote is organism. plants_animals_and_fungi is eukaryotes. animal is eukaryotic_organism.