Question

Give the names of any four protostomian phyla.

Answer 1

hlo mate...

Phylum Porifera (Sponges) ...

Phylum Coelenterata (Cnidaria) Corals & Jellyfish. ...

Phylum Ctenophora (Comb Jellies) ...

Phylum Platyhelminthes (Flatworms) ...

Phylum Nemertea (Ribbon Worms) ...

Phylum Rotifera (Rotifers) ...

Phylum Gastrotricha (Gastrotrichs) ...

Phylum Nematomorpha (Horsehair Worms)

Answer 2

Answer: The names of the Four Protostomian phyla are-

• Phylum Porifera (Sponges)
• Phylum Coelenterata (Cnidaria) Corals & Jellyfish
• Phylum Ctenophora (Comb Jellies)
• Phylum Platyhelminthes (Flatworms)

Explanation:

Protostomian animals are those in which mouth develops before anus during embryonic development. These are generally found in lower inverterbrates.

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