struggle for

Also found in: Idioms.
See: pursue
References in classic literature ?
Bears on natural selection -- The term used in a wide sense -- Geometrical powers of increase -- Rapid increase of naturalised animals and plants -- Nature of the checks to increase -- Competition universal -- Effects of climate -- Protection from the number of individuals -- Complex relations of all animals and plants throughout nature -- Struggle for life most severe between individuals and varieties of the same species; often severe between species of the same genus -- The relation of organism to organism the most important of all relations.
Before entering on the subject of this chapter, I must make a few preliminary remarks, to show how the struggle for existence bears on Natural Selection.
All these results, as we shall more fully see in the next chapter, follow inevitably from the struggle for life.
We will now discuss in a little more detail the struggle for existence.
I should premise that I use the term Struggle for Existence in a large and metaphorical sense, including dependence of one being on another, and including (which is more important) not only the life of the individual, but success in leaving progeny.
A struggle for existence inevitably follows from the high rate at which all organic beings tend to increase.
The action of climate seems at first sight to be quite independent of the struggle for existence; but in so far as climate chiefly acts in reducing food, it brings on the most severe struggle between the individuals, whether of the same or of distinct species, which subsist on the same kind of food.
When a species, owing to highly favourable circumstances, increases inordinately in numbers in a small tract, epidemics--at least, this seems generally to occur with our game animals--often ensue: and here we have a limiting check independent of the struggle for life.
Where attempts have not been made to reconcile the two moralities, they may be described as follows:--All is GOOD in the noble morality which proceeds from strength, power, health, well-constitutedness, happiness, and awfulness; for, the motive force behind the people practising it is "the struggle for power.
To many this struggle was a struggle for freedom in religion.
This time the struggle for supremacy of will was longer and more determined.
Dunster seemed, for a moment, to struggle for composure.