struggle for existence

The first being a "struggle for existence", which is a relationship between man and nature.

In the social struggle for existence, men are forced into classes.

Crucial to this is what he calls "the struggle for existence"

He thought the reason was that a struggle for existence (or resources) limited their numbers.

The struggle for existence is indeed the only spur in the case of such people.

It only suggested that those who had stopped no longer struggled for existence.

Would he be murdering people now in his struggle for existence?

It is a struggle for existence in which neither side exactly has the benefit of good political leadership.

It is the struggle for existence by an artificial entity.

He meant by that the struggle for existence, which led Wallace to natural selection.

I drew an agonising picture of your struggle for existence.

Compared with the global struggle for existence, her life begins to feel insignificant.

You of all men should know that life is a struggle for existence, a fight for food.

"I used to paint black people in their struggle for existence," Lewis recalled years later.

Many people find the seven percent odds of losing more attractive than struggling for existence all the time out here.

Put literally, the struggle for existence was carried on in much the same manner as natural selection.

The struggle for existence of animals and plants in the wild causes natural selection.

The struggle for existence is a natural history metaphor.

It was a year that highlighted Darwin's "struggle for existence."

The function of religion in man's struggle for existence.

But the population is leveling off, and, amazingly, we are struggling for existence.

And indeed, so far as this was a matter of advantage and the struggle for existence, they were right.

Science and technology have made life better than a mere struggle for existence for a large number of people.

The competitive struggle for existence, they said, was brutal.

Many early interpretations of evolution polarized themselves around a struggle for existence.