Assuming that species I is the ancestral species of the group, explain the most likely genetic mutation that produced the polypeptide in species II and the most likely genetic mutation that produced the polypeptide in species III. (30 points)

Always use significant figure rules. remember that these rules apply to all numbers that are measurements. a car travels 6 miles north, 3 miles east, and then 2 miles south. what is the distance traveled? a.7 b.11

The deserts of the sahara and australia are associated with

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