Reproduction: A-Courting To Nature!

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of males and females during prehistoric epochs when
environmental change was making life difficult for single-sex species such
as bacteria and algae. Generally, these reproduced by splitting into
identical copies of themselves. New generations were thus no better than
old ones at surviving in an altered world. With the emergence of the
sexes, however, youngsters acquired the qualities of two parents. This
meant that they were different from both - different and perhaps better at
coping with tough problems of survival. At the same time, nature had to
furnish a new set of instincts which would make "parents" out of such
unreflective entities as mollusks and jellyfish..

The peacock's splendid feathers, the firefly's flash, the humpback whale's
resounding bellow - all are means these animals have evolved to obey
nature's command: "Find a mate. Transmit your characteristics through
time!" But while most males would accept indiscriminate mating, females
generally have more ...

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