What are the themes found in the call of the wild?Need help quick.

CALL OF THE WILD is written by JACK
LONDON.

IN SIMPLE WORDS it's a story of struggle between
civilized and wild.

JACK LONDON also points some major
theme,i.e-

Survival of the
Fittest-Jack London believed in Herbert Spencer's theory of "survival of
the fittest," which means basically that an organism or group that is better suited to
an environment will have a better chance for survival than an animal or group that is
less
suited.

Companionship-Buck is
never alone in the novel, but instead travels between a various number of humans and
other dogs, often wondering why he is not completely
happy.

The joy of labor-The
most important idea imbued in The Call of the Wild is that everyone
is suited to a particular kind of work, and everyone will be happiest if they are doing
that work.

The Virtue of
Humanity-Throughout the novel London questions the idea of humanity as a
virtue.

The power of
Instinct-

Loyalty-

Companionship-