Ernst Heinrich Philipp August Haeckel (16 February 1834 – 9 August 1919) was a German biologist, naturalist, philosopher, physician, professor, marine biologist, and artist.
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 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.
Ontogeny re-capitulates phylogeny. Ernst Haeckel
Ontogeny re-capitulates phylogeny.
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.
Faith has its origin in the poetic imagination; knowledge, on the other hand, originates in the reasoning intelligence of man. Ernst Haeckel
Faith has its origin in the poetic imagination; knowledge, on the other hand, originates in the reasoning intelligence of man.
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.
