What is the definition of "eukarya"?


Quick Answer

Eukarya is a classification of living things that includes organisms such as the protists, fungi, plants and animals. Organisms are divided into three domains: Archaea, Bacteria and Eukarya. Domain Eukarya consists of eukaryotic organisms, which are organisms that have cells containing membrane-bound structures called organelles.

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Full Answer

Domains Archaea and Bacteria consist of bacterial species called prokaryotes that have no organelles. Domain Eukarya represents more complex organisms that have evolved from the prokaryotes.

Protists are the simplest eukaryotes, consisting of single-celled organisms such as algae and amoebas. The fungi can be either unicellular or multicellular and obtain their food by absorbing nutrients from their environment. Plants are multicellular and can make their own food. Animals are also multicellular organisms, but they must consume food to obtain energy.

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