Branches of Biology

Ecology, Conservation Biology Leo Castillo, Yovani Sanchez

What is Ecology?

The scientific study of the processes influencing the distribution and abundance of organisms, the interactions among organisms, and the interactions between organisms and the transformation and flux of energy and matter.
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Rachel Carson

Rachel Carson was born on May 27, 1907 in Springdale, Pennsylvania and died on April 14, 1946 in Silver Spring, Maryland. She graduated from Pennsylvania College for Women in 1929. She then studied at the Woods Hole Marine Biological Laboratory. She received her MA in zoology from John Hopkins University in 1932.


Carson then taught ecology at University of Maryland for five years. She then joined the U.S Fish and Wildlife service in 1936. She became the first women to pass the U.S Civil Service Exam. Also she was the second women to be hired to work in a full time position for the U.S Bureau of Fisheries


Carson explained most of ecology in her books. She also published some books such as "Under the Sea-Wind", "The Sea Around Us", her most influential work was "Silent Spring".

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Alan Rabinowitz

Rabinowitz was born on December 31, 1953 in New York City, New York. is one of the world’s leading big cat experts, and has been called ‘The Indiana Jones of Wildlife Conservation’ by TIME Magazine.Rabinowitz has traveled the world on behalf of wildlife conservation and over the years has studied jaguars, clouded leopards, Asiatic leopards, tigers, Sumatran rhinos, bears, leopard cats, raccoons, and civets


Rabinowitz graduated from the University of Tennessee in 1981 with an M.S. in zoology and a Ph.D. in Wildlife Ecology and is currently the CEO of Panthera.His work in Belize resulted in the world's first jaguar sanctuary, also his work in Taiwan resulted in the establishment of this country's largest protected area and last piece of intact lowland forest.


Rabinowitz has his goals preserving wild habitats and securing homes, on a large scale, for some of the world’s most endangered mammals. He is focused on cats is based on conserving top predators, which affect entire ecosystems.

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Dian Fossey

Dian Fossey was born on January 16, 1932 and died on December 26, 1985. Fossey's interest in animals and her childhood dream of becoming of veterinarians and went to San Jose State College.


For many years Fossey conducted research from her base in the mountains located 10,000 feet above sea level. Fossey studied Mountain Gorillas for many hours and brought many information to her community.


Her book "Gorillas in the Mist" became an international bestseller describing the mountain gorillas. A movie was Then released in 1988 about her book.

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