Biology: The Study of Life

Anton van Leeuwenhoek made significant advancements in the field of biology by improving the microscope and discovering spermatozoa, bacteria, and microscopic life.

Robert Remak and Rudolf Virchow were able to reify the idea that all cells come from the division of other cells, consolidating into cell theory.

Georges-Louis Leclerc, Comte de Buffon, treated species as artificial categories and living forms as malleable, suggesting the possibility of common descent.

Jean-Baptiste Lamarck presented a coherent theory of evolution, originating serious evolutionary thinking.

Theophrastus began the scientific study of plants and made significant contributions to the development of biological knowledge.

Biologists study life at multiple levels of organization, from the molecular biology of a cell to the anatomy and physiology of plants and animals, and evolution of populations.

All organisms are able to regulate their own internal environments.

Life on Earth emerged more than 2.7 billion years ago.

Prokaryotic organisms include archaea and bacteria.

Biologists do not use the scientific method in their research.