Ernst Heinrich Philipp August Haeckel (16 February 1834 – 9 August 1919) was a German biologist, naturalist, philosopher, physician, professor, marine biologist, and artist.
The nucleus has to take care of the inheritance of the heritable characters, while the surrounding cytoplasm is concerned with accommodation or adaptation to the environment. Ernst Haeckel
The nucleus has to take care of the inheritance of the heritable characters, while the surrounding cytoplasm is concerned with accommodation or adaptation to the environment.
Both of these branches of evolutionary science, are, in my opinion, in the closest causal connection; this arises from the reciprocal action of the laws of heredity and adaptation. Ernst Haeckel
Both of these branches of evolutionary science, are, in my opinion, in the closest causal connection; this arises from the reciprocal action of the laws of heredity and adaptation.
The cell never acts; it reacts. Ernst Haeckel
The cell never acts; it reacts.
Politics is applied biology Ernst Haeckel
Politics is applied biology
The real cause of personal existence is not the favor of the Almighty, but the sexual love of one's earthly parents. Ernst Haeckel
The real cause of personal existence is not the favor of the Almighty, but the sexual love of one's earthly parents.
By ecology we understand the total science of the connections of the organism to the surrounding external world. Ernst Haeckel
By ecology we understand the total science of the connections of the organism to the surrounding external world.
The raging war of interests in human society is only a feeble picture of an unceasing and terrible war of existence which reigns throughout the whole of the living world. Ernst Haeckel
The raging war of interests in human society is only a feeble picture of an unceasing and terrible war of existence which reigns throughout the whole of the living world.
The whole of organic nature on our planet exists only by a relentless war of all against all. Ernst Haeckel
The whole of organic nature on our planet exists only by a relentless war of all against all.
Ontogeny re-capitulates phylogeny. Ernst Haeckel
Ontogeny re-capitulates phylogeny.
Civilization and the life of nations are governed by the same laws as prevail throughout nature and organic life. Ernst Haeckel
Civilization and the life of nations are governed by the same laws as prevail throughout nature and organic life.
Mental differences between the lowest men and the animals are less than those between the lowest and the highest man. Ernst Haeckel
Mental differences between the lowest men and the animals are less than those between the lowest and the highest man.
Man is not distinguished from [the animals] by a special kind of soul, or by any peculiar and exclusive psychic function, but only by a higher degree of psychic activity, a superior stage of development. Ernst Haeckel
Man is not distinguished from [the animals] by a special kind of soul, or by any peculiar and exclusive psychic function, but only by a higher degree of psychic activity, a superior stage of development.