...relations of life." GEOMETRICAL RATIO OF INCREASE OF ORGANISMS. "A struggle for existence," says Darwin, "inevitably follows from the high rate at which all organic beings tend to increase." There is a vast destruction of seeds, eggs, embryos, and young. Were this not the ease the earth would...

...other fruit-bearing plants ; of a plant on the edge of the desert in days of drought ; and then says, " In these several senses, which pass into each other,...sake, the general term of Struggle for Existence." The fact is that the " struggle for existence " is a formula-phrase including all the reactions and...

...environing conditions by no means wholly favorable to the organism. This desperate struggle " flows from the high rate at which all organic beings tend to increase." More individuals are produced than can possibly survive. If vast numbers of this progeny were not destroyed,...

...environing conditions by no means wholly favorable to the organism. This desperate struggle " flows from the high rate at which all organic beings tend to increase." More individuals are produced than can possibly survive. If vast numbers of this progeny were not destroyed,...

...is well known and so it is not surprising to find him writing in the "Origin of Species," page 60, A struggle for existence inevitably follows from the...rate at which all organic beings tend to increase. And again on page 72, Each organic being is striving to increase in geometrical ratio; each, at some...

...disseminated by birds, its existence depends on them, and it may metaphorically be said to struggle with other fruit-bearing plants, in tempting the birds to devour...other, I use for convenience' sake, the general term 'Struggle for Existence." In these extracts in Darwin's own words, we have his methods of interpreting...

...by birds, its existence depends on them; and it may metamorphically be said to struggle with other fruit-bearing plants, in tempting the birds to devour...sake the general term of Struggle for Existence." The dandelion from the seed that germinates first secures the best light; the one that sends down the...

...disseminated by birds, its existence depends on them, and it may metaphorically be said to struggle with other fruit-bearing plants, in tempting the birds to devour...several senses, which pass into each other, I use for convenience's sake, the general term 'Struggle for Existence.' " In these extracts in Darwin's own...

...central United States on various deciduous-leaved trees, including the sour gum and red maple. with other fruit-bearing plants, in tempting the birds to devour...sake the general term of Struggle for Existence." 5. Survival of the Fittest. — In this struggle for existence ' only those best suited to their environment...

...with these trees, for, if too many of these parasites grow on the same tree, it languishes and dies. In these several senses, which pass into each other,...sake the general term of " struggle for existence." It is not difficult to perceive that all depends again upon " mutual relations." Given, in any particular...