Living beings are currently classified into six different kingdoms of nature:
In the past, living organisms were classified into five kingdoms: animals, plants, fungi, protozoa, and bacteria. With the implementation of molecular techniques it was discovered that archaea (classified as bacteria) actually resemble eukaryotes more despite being prokaryotes.
Domain: Eukarya.
Cell type: eukaryotic animal cell, absence of chloroplasts and cell wall.
Cell organization: multicellular.
Nutrition: heterotrophs.
Reproduction: sexual.
Examples: humans, bees, worms, corals, fish.
Domain: Eukarya.
Cell type: eukaryotic plant cell; chloroplasts and cellulose cell wall present.
Cell organization: multicellular.
Nutrition: autotrophs.
Reproduction: sexual and asexual.
Examples: pines, grasses, cereals, shrubs.
You may be interested in knowing about animal cells and plant cells.
Domain: Eukarya.
Cell type: eukaryotic cell; absence of chloroplasts, presence of chitin cell wall.
Cell organization: unicellular / multicellular.
Nutrition: heterotrophs.
Reproduction: asexual and sexual.
Examples: yeast, mold, fungus.
Domain: Eukarya.
Cell type: eukaryotic cell;
Cell organization: mostly unicellular.
Nutrition: heterotrophs / autotrophs.
Reproduction: mainly asexual.
Examples: protozoa, amoebae.
Know the difference between:
Domain: Archaea.
Cell type: prokaryotic cell (without nucleus) and with cell wall without peptidoglycan.
Cell organization: unicellular.
Nutrition: autotrophs / heterotrophs.
Reproduction: by binary fission.
Examples: methanogens, thermophiles.
You may be interested in knowing the differences between Archeas and bacteria.
Domain: Bacterium.
Cell type: prokaryotic cell (without nucleus) and with a peptidoglycan cell wall.
Cell organization: unicellular, colony formation.
Nutrition: autotrophs / heterotrophs.
Reproduction: by binary fission.
Examples: Enterobacteriaceae, staphylococci, streptococci.
Learn more about Classification of living beings.
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