Definition

1. Noun:
   • The taxonomic kingdom comprising all living or extinct animals: "Animal Kingdom" is the scientific classification category that includes all multicellular, eukaryotic organisms that are generally motile, heterotrophic (consuming other organisms for energy), and lack cell walls. This kingdom is distinct from plants, fungi, protists, and bacteria.

Usage

• The term "Animal Kingdom" is used primarily in scientific and educational contexts to refer to the entire scope of animal life as a biological classification.
• It is often capitalized when referring to the formal taxonomic rank.

Examples

• Noun:
  • Biologists study the incredible diversity within the Animal Kingdom.
  • From insects to mammals, all these species belong to the Animal Kingdom.

Advanced Usage

• "the animal kingdom": Used to make a general statement or comparison about all animals or typical animal behavior.
  • In the animal kingdom, survival often depends on adaptation.
• The phrase can be used metaphorically in non-scientific contexts to describe a situation perceived as wild, competitive, or governed by basic instincts.
  • The corporate world can sometimes feel like the animal kingdom.

Variants and Related Words

• Kingdom Animalia: The formal, Latin-derived synonym for "Animal Kingdom."
• Fauna: This word refers to the animal life of a particular region or period but is not a direct synonym for the taxonomic kingdom itself.
• Zoology: The scientific study of the Animal Kingdom.

Synonyms

• Kingdom Animalia: The exact scientific synonym.

Related Phrases

• Plant Kingdom: The corresponding taxonomic kingdom for plants.
• Rule of the jungle: An idiom describing a competitive, ruthless environment, sometimes loosely associated with perceptions of the animal kingdom.

Noun

1. taxonomic kingdom comprising all living or extinct animals