Mutation that occurs during cell replication when the chromosomes don't separate properly.

a None of these
b Frameshift
c Point Mutation
d Non-disjunction

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point