What can all living things do to nutrients

Dna is colied into chromosomes in a cell

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?