Which behavior is an innate adaptation? fighting for protection

All behaviors are innate.

mating

hunting in packs

He used pea plants to study the patterns of heredity.

There's no options to. choose from

They became more resistant.

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.