Greg, who is 5 years old, is the tallest person in his kindergarten class. when his teacher asked him how he thought he got so tall, he said proudly, "my mom and dad are tall and i eat good food! " greg's statement reflects that he understands that human development comes from

Ithink option a is correct because you cannot donate a different blood group than yours because it won't match.option a says betsy can donate to mark. they have the same blood group so donation can happen.

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.