Question

there is evidences of fatal science among chordates

Answer 1

The characteristic features of the phylum, Chordata, include the presence of a notochord and paired pharyngeal gill slits. In sub-phylum Vertebrata, thenotochord present in embryos gets replaced by a cartilaginous or bony vertebral column in adults.

Answer 2

Explanation:

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• There is a conservation of phylotypic compartment map that acts as the evidence that growth constrains upcoming avenues.
• The hemichordates and chordates have a same ancestor before 500 mya.
• The overall structure of fatal science amongst chordates diminished the conflating effects/pleiotrophy problem of some mutants whose actions are beneficial.

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