Following is the taxonomy of the killer whale (orca). which choice represents the correct scientific name for this animal?

kingdom: animalia

phylum: chordata

class: mammalia

order: cetacea

family: delphinidae

genus: orcinus

species: orca

orcinus orca
cetacea orca
cetacea delphinidae
orcinus delphinidae

Many archeologists and anthropologists disagree with dr. thorne's view.  thorne strongly believes that what many calls "homo erectus"  was in fact  homo sapiens,  and that they migrated out of africa almost 2 million years ago and dispersed throughout europe and asia. that's way different  from what scientists have always believed about the evolution of the species.

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