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Biology. Zoology ( / zoʊˈɒlədʒi / zoh-OL-ə-jee) [note 1] is the scientific study of animals. Its studies include the structure, embryology, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems. Zoology is one of the primary branches of biology.
Outline of zoology. The following outline is provided as an overview of and topical guide to zoology: Zoology – study of animals. Zoology, or "animal biology", is the branch of biology that relates to the animal kingdom, including the identification, structure, embryology, evolution, classification, habits, and distribution of all animals ...
This article considers the history of zoology since the theory of evolution by natural selection proposed by Charles Darwin in 1859. Charles Darwin gave new direction to morphology and physiology, by uniting them in a common biological theory: the theory of organic evolution. The result was a reconstruction of the classification of animals upon ...
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1857–1881. Henri Milne-Edwards (French, 1800–1885) introduces the idea of physiologic division of labor and writes a treatise on comparative anatomy and physiology (1857–1881). Charles Darwin 's 1859 publication On the Origin of Species revolutionised zoology. 1859.
The history of zoology before Charles Darwin 's 1859 theory of evolution traces the organized study of the animal kingdom from ancient to modern times. Although the concept of zoology as a single coherent field arose much later, systematic study of zoology is seen in the works of Aristotle and Galen in the ancient Greco-Roman world.
Invertebrate zoology. Invertebrate zoology is the subdiscipline of zoology that consists of the study of invertebrates, animals without a backbone (a structure which is found only in fish, amphibians, reptiles, birds and mammals ). Invertebrates are a vast and very diverse group of animals that includes sponges, echinoderms, tunicates, numerous ...
The History of Animals contains a large number of eye-witness observations, in particular of marine biology, in sharp contrast to Plato's "symbolic zoology".Aristotle's style and precision can be seen in the passage where he discusses the behaviour and anatomy of the cephalopods, mentioning the use of ink against predators, camouflage, and signalling.