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Flashcards - Classification in the Animal Kingdom

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Flashcards - Classification in the Animal Kingdom
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coelom
The coelom refers to the main body cavity in most multicellular animals and is positioned inside the body to surround and contain the digestive tract and other organs
Platyhelminthes
The flatworms, flat worms, Platyhelminthes, Plathelminthes, or platyhelminths are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates
cuticle
A cuticle /ˈkjuË?tɪkÉ™l/, or cuticula, is any of a variety of tough but flexible, non-mineral outer coverings of an organism, or parts of an organism, that provide protection
Phylum Nematoda
The nematodes /ˈnɛmətoʊdz/ or roundworms constitute the phylum Nematoda
Annelida
The annelids , also known as the ringed worms or segmented worms, are a large phylum, with over 17,000 extant species including ragworms, earthworms, and leeches
Hirudinea
Leeches are segmented worms that belong to the phylum Annelida and comprise the subclass Hirudinea
Mollusca
The molluscs compose the large phylum of invertebrate animals known as the Mollusca
Echinodermata
Echinoderm is the common name given to any member of the phylum Echinodermata of marine animals
Centipedes
Centipedes are arthropods belonging to the class Chilopoda of the subphylum Myriapoda
subesophageal ganglion
The suboesophageal ganglion of arthropods and in particular insects is part of the arthropod central nervous system
thorax
The thorax or chest is a part of the anatomy of humans and various other animals located between the neck and the abdomen
ventral nerve cords
The ventral nerve cord makes up a part of the central nervous system of some phyla of the invertebrates, particularly within the nematodes, annelids and the arthropods
chordata
Chordates are animals possessing a notochord, a hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail for at least some period of their life cycles
vertebrates
Vertebrates /ˈvÉœË?rtáµ»bráµ»ts/ comprise all species of animals within the subphylum Vertebrata /-É‘Ë?/

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You are viewing lesson Lesson 4 in chapter 39 of the course:

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Ch 39. ISC Biology Flashcards

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