Animal > Related Articles
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< Animal
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Parent topics
- Life [r]: Living systems, of which biologists seek the commonalities distinguishing them from nonliving systems. [e]
- Organism [r]: An individual living individual: a complex, adaptive physical system that acts a integrated unit that sustains metabolism and reproduces progeny that resemble it. [e]
- Eukaryote [r]: An organism that is composed of one or more cells containing cell nuclei. [e]
- Kingdom (biology) [r]: The second highest level taxon of organisms in scientific classification and biological taxonomy. [e]
Subtopics
- Sponge [r]: One of a loose group of sedentary, aquatic, filter-feeding invertebrate animals with soft and porous bodies, placed into the phylum Porifera. [e]
- Metazoan [r]: Any animal other than the sponges. [e]
- Bilaterian [r]: A clade of animals, all of which are bilaterally symmetrical during at least one point of their lives. [e]
- Protostome [r]: Add brief definition or description
- Ecdysozoan [r]: Add brief definition or description
- Insect [r]: One of numerous small arthropod animals with six legs, an exoskeleton that grows by molting, and oftentimes wings. [e]
- Lophotrochozoan [r]: Add brief definition or description
- Mollusk [r]: Add brief definition or description
- Deuterostome [r]: Superphylum of animals, and a subtaxon of the Bilateria branch of the subregnum Eumetazoa, which are distinguished by their unique embryonic development. [e]
- Chordate [r]: An animal who had a notochord — a stiff cord with nerve fibre bundles — somewhen during its life. [e]
- Vertebrate [r]: An animal who has a skeleton with a backbone, vertebrae, and/or a cranium. [e]
- Invertebrate [r]: An animal who dois not have a skeleton with a backbone, vertebrae, or a cranium. [e]
Other related topics
- Plant (organism) [r]: A eukaryotic organism, grouped into the kingdom Plantae, that typically synthesizes nutrients through photosynthesis and possesses the inability to voluntarily move. [e]
- Fungus [r]: A eukaryotic organism, classified into the kingdom Fungi, that is heterotrophic and digest their food externally, and may be a yeast, mold, or mushroom. [e]
- Protist [r]: A unicellular organism grouped into the kingdom Protista that may have characteristics of plants and/or animals. [e]
- Bacteria [r]: A major group of single-celled microorganisms. [e]
- Archaea [r]: A major group of numerous microorganisms fundamentally different from the bacteria and including many chemolithotrophs and extremophiles. [e]
