8. How dochordates
reproduce?

Gap-fill exercise

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Reproduction in beings the phylum
Chordatais , with the exception
urochordates that can reproduce
asexually. In classes
(cyclostomes, osteichthyes and
amphibians) there larval stage. With
exceptions, fishes, amphibians,
and monotreme mammals
oviparous, egg-laying (embryos
within eggs and the mother’s
body) marsupial and placental
are viviparous (embryos
inside the mother’s ,
feeding from her).