The breeding of animals is necessary to produce (4) . Humans have bred animals and plants for
years through the process of (5) in order to
hand-select traits needed in the livestock or produce.
In nature, it is not quite so simple. Charles Darwin was
a naturalist that proposed the idea of (6). When
visiting the Galapagos islands, he discovered there was
great (7) between the tortoises on different
islands. The different tortoises had had specific
(8) to survive on the islands that
they were found on.

Fill in the blanks
There is no more information this is all they gave me