Pls 2 questions 24 points

1.if the dna molecule is so similar among all living things (the pairings are always the same and that there are only six components that make up dna), explain why is there so much diversity of life.
(type own answer in detailed explanation.)

2.if there were 10 bases of thymine in one strand of your model of dna, how many adenine bases would there be in the complementary strand?
(type own answer in detailed explanation.)

Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.