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Vertebrata

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Sains Tahun 4: Pengelasan Haiwan Vertebrata #cikgooTube #CikguZoul

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Phylum Vertebrata

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Phylum Chordata Classification: Urochordata, Cephalochordata, and Vertebrata

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HAIWAN VERTEBRATA DAN INVERTEBRATA -Sains Tahun 4

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২৯. অধ্যায় ১: প্রাণিবৈচিত্র‍্য - ভার্টিব্রাটা (Vertebrata)

Vertebrates comprise all species of animals within the subphylum Vertebrata. Vertebrates represent the overwhelming majority of the phylum Chordata, with currently about 66,000 species described. Vertebrates include the jawless fish and the jawed vertebrates, which include the cartilaginous fishes and the bony fishes.
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    • Etymology 

    • Anatomy and morphology 

    • Evolutionary history 

    • Classification 

    • Number of extant species 

    • Reproductive systems 

    • Population trends