In our experiment, the caterpillars were fed on a diet of wheat germ.
How do you think the various efficiencies would have changed if we had fed them on a more natural diet of tobacco leaves? Why might they have changed in these ways?

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.

Google - what is the first three eras within the phanerozoic eon