Web26 de ago. de 2010 · Most nematodes look similar to each other: slender tubes, tapered at each end (Figure 3). Nematodes are pseudocoelomates and have a complete digestive … WebEcdysozoans are the most species-rich animal group Ecdysozoans are animals with a cuticle, a tough external coat The cuticle is shed during ecdysis, or molting Nematodes and arthropods are the largest of about eight ecdysozoan phyla Ecdysozoa is another bilaterian group discovered by molecular phylogenetics Ecdysozoa is a grouping of 8 phyla o all …

What do nematodes and arthropods have in common? - Answers

Web1. Phylum Annelids. Annelids are worms, with bodies made up of ring-like segments. Most of them live in water, some like the earthworm live in moist soil. 2. Phylum Nematodes. Nematodes are worms, but unlike annelids their bodies are not divided into segments. They are usually white, long and thin. They live in many different habitats. Web26 de ago. de 2010 · Most nematodes look similar to each other: slender tubes, tapered at each end (Figure 15.17). Nematodes are pseudocoelomates and have a complete digestive system with a distinct mouth and anus. The nematode body is encased in a cuticle, a … early childhood education assistance program

What are the differences and similarities between Annelida …

WebFigure 15.12 Sea anemones are cnidarians of class Anthozoa. (credit: "Dancing With Ghosts"/Flickr) Scyphozoans include all the jellies and are motile and exclusively marine with about 200 described species. The medusa is the dominant stage in the life cycle, although there is also a polyp stage. WebThe exoskeleton and molting. The success of arthropods derives in large part from the evolution of their unique, nonliving, organic, jointed exoskeleton ( see figure ), which not only functions in support but also … early childhood education assistant bc