After having produced aquatic animals of all ranks and having caused extensive variations in them by the different … - Jean-Baptiste Lamarck

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There is hardly an activity that a person can think about that does not intrinsically involve energy, most of which is currently provided by fossil fuels.

Jean-Baptiste Lamarck

After having produced aquatic animals of all ranks and having caused extensive variations in them by the different environments provided by the waters, nature led them little by little to the habit of living in the air, first by the water's edge and afterwards on all the dry parts of the globe. These animals have in course of time been profoundly altered by such novel conditions; which so greatly influenced their habits and organs that the regular gradation which they should have exhibited in complexity of organisation is often scarcely recognisable.

Air, Animal, Animals, Aquatic, Globe, Science

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All knowledge that is not the real product of observation, or of consequences deduced from observation, is entirely groundless and illusory.

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It is not enough to discover and prove a useful truth previously unknown, but that it is necessary also to be able to propagate it and get it recognized.

Discovery, Necessary, Prove, Recognized, Science, Truth

The form follows the function.

Follows, Form, Function

What nature does in the course of long periods we do every day when we suddenly change the environment in which some species of living plant is situated.

Change, Long, Nature, Science, Species

It is not the organs-that is, the character and form of the animal's bodily parts-that have given rise to its habits and particular structures. It is the habits and manner of life and the conditions in which its ancestors lived that have in the course of time fashioned its bodily form, its organs and qualities.

Animal, Character, Fashioned, Organs, Quality, Structures