When kasheem got caught speeding, amy said he should have been more careful; later when amy got caught speeding, she denied she was driving too fast. this is an example of what tendency in perception?

The example of tendency perception that is being shown above is the self serving bias. It is a way of people uses this method in order to maintain one's worth or abilities in a manner that would suffice the person. It could be seen above as Amy denied the fact that she was speeding because she tries to maintain her image as she just told her friend to be careful of speeding. That is why she denied it.

Yes you are cute answer theories to explain the colonization of the new world the last great habitable landmass to be occupied by humans focus on the bering land bridge, or beringia, which emerge by siberia and alaska the last ice age.