Q:

What are the five animal kingdoms?

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Six kingdoms of life exist, and animals occupy only one of them. The other eukaryotic kingdoms are Plantae, Protista and Fungi. These four are grouped into the domain Eukaryota, while the other two kingdoms, Archaea and Eubacteria, occupy the domain Prokaryota.

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The exact number of kingdoms, and whether kingdom is a valid way of classifying prokaryotes, has been a contentious issue among taxonomists since the 1970s. As of 2014, a consensus of sorts has emerged that life can be divided between prokaryotes and eukaryotes, with one kingdom for each prokaryotic group. Eubacteria are the "true" bacteria, and Archaea is the kingdom of the so-called extremophile organisms that thrive in superhot and supersaline environments. Prokaryotes do not reproduce in linear, hereditary ways, so lower-level classification into phyla or class is extremely difficult. The solution has been simply to describe two kingdoms and group all prokaryotes on one or the other side of the divide.

Among eukaryotes, the lines are more clearly drawn. Regnum Plantae is the kingdom that contains all plant species, and Regnum Fungi contains all species of fungus. Protista are unicellular organisms that are no longer grouped with plants, but have their own kingdom. Finally, Regnum Animalia is the single kingdom reserved to all animals.

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Related Questions

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    What kingdoms do lichen belong to?

    A:

    Lichens may belong to one, two, or all three of the following kingdoms: Fungi, Protista and Monera. Lichens are groups of multiple organisms, which may occur in the forms of fungi, protists and monerans. Although they share the classification of lichens, species vary widely in habitat, appearance and physical and biological characteristics depending on which kingdom they belong.

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  • Q:

    What are the differences between the kingdoms Protista and Monera?

    A:

    The primary difference between protists and monerans is that protists are eukaryotic while monerans are prokaryotes. Protists, such as amoebae, are thus more closely related to humans than they are to monerans, such as bacteria.

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    What are the six kingdoms of life?

    A:

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    What are the four kingdoms of the domain Eukarya?

    A:

    The kingdoms in the domain Eukarya are Protista, Fungi, Plantae and Animalia. Eukaryota consists of organisms that have a true nucleus and structures called organelles that are surrounded by membranes.

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