One must believe that every living thing whatsoever must change insensibly in its organization and in its form... One must therefore never… — Jean-Baptiste Lamarck Copy Share Image
All known living bodies are sharply divided into two special kingdoms, based upon the essential differences which distinguish animals from plants, and… — Jean-Baptiste Lamarck Copy Share Image
After having produced aquatic animals of all ranks and having caused extensive variations in them by the different environments provided by the… — Jean-Baptiste Lamarck Copy Share Image
What nature does in the course of long periods we do every day when we suddenly change the environment in which some… — Jean-Baptiste Lamarck Copy Share Image
In every animal which has not passed the limit of its development, a more frequent and continuous use of any organ gradually… — Jean-Baptiste Lamarck Copy Share Image
A sound Physics of the Earth should include all the primary considerations of the earth's atmosphere, of the characteristics and continual changes… — Jean-Baptiste Lamarck Copy Share Image
On our planet, all objects are subject to continual and inevitable changes which arise from the essential order of things. These changes… — Jean-Baptiste Lamarck Copy Share Image
“First Law In every animal which has not passed the limit of its development, a more frequent and continuous use of any… — Jean-Baptiste Lamarck Copy Share Image
All the acquisitions or losses wrought by nature on individuals, through the influence of the environment in which their race has long… — Jean-Baptiste Lamarck Copy Share Image
Now this circumscribed power, which we have scarcely examined, scarcely studied, this power to whose actions we nearly always attribute an intention… — Jean-Baptiste Lamarck Copy Share Image
It is not always the magnitude of the differences observed between species that must determine specific distinctions, but the constant preservation of… — Jean-Baptiste Lamarck Copy Share Image
However, if we consider that all the characteristics which have been cited are only differences in degree of structure, may we not… — Jean-Baptiste Lamarck Copy Share Image
The thesis that the living creatures have always been composed different species was established in a time where no sufficient observations had… — Jean-Baptiste Lamarck Copy Share Image
Life, in a body whose order and state of affairs can make it manifest, is assuredly, as I have said, a real… — Jean-Baptiste Lamarck Copy Share Image
It is not enough to discover and prove a useful truth previously unknown, but that it is necessary also to be able… — Jean-Baptiste Lamarck Copy Share Image
The great age of the earth will appear greater to man when he understands the origin of living organisms and the reasons… — Jean-Baptiste Lamarck Copy Share Image
One must believe that every living thing whatsoever must change insensibly in its organization and in its form... One must therefore never expect to… — Jean-Baptiste Lamarck Copy Share Image
All known living bodies are sharply divided into two special kingdoms, based upon the essential differences which distinguish animals from plants, and in spite… — Jean-Baptiste Lamarck Copy Share Image
After having produced aquatic animals of all ranks and having caused extensive variations in them by the different environments provided by the waters, nature… — Jean-Baptiste Lamarck Copy Share Image
What nature does in the course of long periods we do every day when we suddenly change the environment in which some species of… — Jean-Baptiste Lamarck Copy Share Image
In every animal which has not passed the limit of its development, a more frequent and continuous use of any organ gradually strengthens, develops… — Jean-Baptiste Lamarck Copy Share Image
A sound Physics of the Earth should include all the primary considerations of the earth's atmosphere, of the characteristics and continual changes of the… — Jean-Baptiste Lamarck Copy Share Image
On our planet, all objects are subject to continual and inevitable changes which arise from the essential order of things. These changes take place… — Jean-Baptiste Lamarck Copy Share Image
All knowledge that is not the real product of observation, or of consequences deduced from observation, is entirely groundless and illusory. — Jean-Baptiste Lamarck Copy Share Image
“First Law In every animal which has not passed the limit of its development, a more frequent and continuous use of any organ gradually… — Jean-Baptiste Lamarck Copy Share Image
All the acquisitions or losses wrought by nature on individuals, through the influence of the environment in which their race has long been placed,… — Jean-Baptiste Lamarck Copy Share Image
