Dichotomous Key/Urochordata

Dichotomous Key: Chordata
Kingdom: Animalia
Phylum: Chordata

1

  • Adults sessile
    • Yes - Ascidiacea
    • No - #2

2

  • Animal surrounded by protein and cellulose and a complicated arrangement of filters
    • Yes - Larvacea
    • No - Thaliacea
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