Natural Selection could produce new variations of body parts.
Answer:
....I started from where you ended....
friction
velocity
net force
speed
balanced force
mass
weight
centripetal force
newton
unbalanced force
rest
force
Explanation:
The dna is not copied before meiosis 2
Answer:
Through natural selection the disease gain immunity to the antibiotic.
Explanation:
As the antibiotic kills off the members of the population that are not resistant, leaving only the resistant members. These members then reproduce, passing the immunity to their offspring, causing the population to become immune.