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Robert Whittaker (ecologist)

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Robert Whittaker was a famous American plant ecologist. An ecologist studies how living things work together in nature. He spent his career learning about the natural world. Whittaker was born on December 27, 1920, in Wichita, Kansas. He later became a very important scientist in his field. Many people honored him for his hard work.

Whittaker found new ways to group the world's biota. Biota is the name for all living things in an area. In 1969, he proposed a five kingdom system. This system put life into five groups. These groups are Animalia, Plantae, Fungi, Protista, and Monera. This helped scientists organize how living things are related.

He also studied how different environments work. He created the Whittaker Biome Classification to group these areas. He looked at two abiotic factors to do this. Abiotic factors are things in nature that are not alive. He used temperature and precipitation to name biomes. Precipitation is the amount of rain or snow that falls.

Whittaker also studied how many kinds of life exist in one place. He used three special terms for this. These terms are Alpha diversity, Beta diversity, and Gamma diversity. He earned his Ph.D. in Biology in 1948. He worked at many places like Brooklyn College and Cornell University. He even worked at Hanford Laboratories in Washington.

His work helps us understand the Earth today. He was elected to the National Academy of Sciences in 1974. He also won the Eminent Ecologist Award in 1981. Whittaker worked with many other scientists like George Woodwell. He liked to work with people from all over the world. He died from lung cancer on October 20, 1980.

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