This essay is about zoology and further information of zoology. Includes an example of a zoologyst and it's meaning.

Essay by caro123Junior High, 7th gradeA+, January 2004

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Zoology is the branch of biology that is devoted to the animal kingdom and studies animals for research. Since the early 400 b.c we have been interested with the creatures that live among us. Animals as we came to call them, became the center of observation in our research, and since then we have learned a lot about them. But one thing we had tried to do since 400 b.c was to classify these creatures, and that was known as the Hippocratic collection.

But Aristotle was the first to create a system that classified animals. He organized these animals in different groups in example he arranged some of the groups according to the way the reproduction process happened with those animals or the habitat. He observed many animals such as the dogfish, chic, and octopus. His notes consisted on all the different aspects each animal had compared to the other.

He was also the first one to distinguish the asexual and sexual reproduction. He noted what each animal had in common and what he or she didn't.

After Aristotle, this science came to be known as zoology, and there were many other zoologist that where inspired by him and continued his research. All of the animal kingdom generates from the protozoan ancestors, the planuloid ancestors, the ancestral acoelomate (flat worm), and the ancestral coelomate (segmented). There are the sponges, coelenterates, flatworms, mollusks, annelids, arachnids, crustaceans, insects, echinoderms, fish, amphibians, reptiles, birds, and mammals.

Us humans are classified as mammals. The animal kingdom is originally called the kingdom animalia. And the animal kingdom originally includes more than one million living species and they are grouped into more than 30 phyla.

Zoology is applied to life because, if you want to know about animals and their origin, you can...