How did the bacteria s. aureus change over time?
it morphed into a virus
it mutated and became a bacteria
it adapted and started to multiply more slowly
it adapted and became resistant to penicillin

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the

Because the carnivores keep the herbivore population in check