Kingdom
Animalia (Animals)
Mergus serrator. Photo: (c) Mario Finkel, some rights reserved (CC BY-NC)
Animals are eukaryotic, multicellular organisms that form the biological kingdom Animalia. With few exceptions, animals are motile (able to move), heterotrophic (consume organic material), reproduce sexually, and their embryonic development includes a blastula stage. The body plan of the animal derives from this blastula, differentiating specialized tissues and organs as it develops; this plan eventually becomes fixed, although some undergo metamorphosis at some stage in their lives.
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Humboldt Life
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Kingdom: Animalia (Animals)
- Phylum: Annelida (Segmented worms) (20)
- Phylum: Ctenophora (Comb jellies) (1)
- Phylum: Chordata (Chordates) (709)
- Phylum: Nemertea (Ribbon worms) (5)
- Phylum: Porifera (Sponges) (6)
- Phylum: Bryozoa (Bryozoans) (5)
- Phylum: Arthropoda (Arthropods) (1121)
- Phylum: Cnidaria (Cnidarians) (38)
- Phylum: Mollusca (Molluscs) (199)
- Phylum: Echinodermata (Echinoderms) (28)
- Phylum: Brachiopoda (Brachiopods) (1)
- Phylum: Platyhelminthes (Flatworms) (4)
- Phylum: Nematoda (Nematodes) (1)
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Kingdom: Animalia (Animals)
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