Answer:Margulis
She is the one who discovered it
I would define it by saying life is full of love,friends,family, and arguments but in the end everything will turn up
In the enviroment isolated , animals have the time to "adapt" t their surroundings.
ok this one is easy. the measurments are dividing by 2
2,1,.5,.25
so it would be
C: 0.2 meter.