The table below shows blastopore fates for nine animal phyla. Blastopore fates i

Question

The table below shows blastopore fates for nine animal phyla. Blastopore fates include:

protostomy (mouth develops from the blastopore)

deuterostomy (anus develops from the blastopore)

neither (the blastopore closes and the mouth develops elsewhere)

A

Blastopore Fate Phyla Protostomy (P) Platyhelminthes, Rotifera, Nematoda; most Mollusca, most Annelida; few Arthropoda Deuterostomy (D) Echinodermata, Chordata; most Arthropoda; few Mollusca, few Annelida Neither (N) Acoela Depending on the blastopore fate of its members, label each branch with P (for protostomy), D (for deuterostomy), N (for neither), or P & D. Labels may be used once, more than once or not at all. Acoela Echinodermata DChordata Platyhelminthes Rohfera Mollusca P & D p Annelida P & D P & D Nematoda Ahropoda P & D P&D; - reset? help Submit My Answers Give Up Incorrect; One attempt remaining; Try Again

Explanation / Answer

Acoela (N)

Echinodermata (D)

Chordata (D)

Platyhelminthes (P)

Rotifera (P)

Molluska (P, D)

Annelida (P, D)

Nematoda (P)

Arthopoda (P, D)

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