Is an Earthworm a Protostome

They have a closed circulatory system. Are earthworms protostomes or deuterostomes? Annelids are protostomes. … Earthworms do have one of these.

Do earthworms show protostome or Deuterostome development?

Protostome Coelomates: The Phylum Annelida Animals in the Phylum Annelida include the earthworms, leeches, and many marine worms. These protostome coelomates exhibit true segmentation.

What animals is a protostome?

Protostomia, group of animals—including the arthropods (e.g., insects, crabs), mollusks (clams, snails), annelid worms, and some other groups—classified together largely on the basis of embryological development.