Concept explainers
To write:
The similarly and differences between echinoderms and annelids.
Introduction:
Phylum Annelida includes of segmented worms with actual coeloms. These organisms are triploblastic and have bilateral symmetry. Annelids have tube-like bodies with clear organ systems, consisting of linear alimentary canal, nephridia, closed circulatory system, double ventral nerve cord.
All the species of phylum Echinodermata are completely marine and able to regenerate their body parts. Moreover, the specific features of Echinodermata are the presence of spiny skin, short oral-aboral axis, tube feet, water vascular system, and endoskeleton made up of dermal plates.
Explanation of Solution
Phylum annelid consists of segmented worms that show bilateral symmetry. In contrast, phylum Echinodermata consists of organisms that show pentamerous radial symmetry. Therefore, that is the main difference between phylum Annelida and Echinodermata. Furthermore, annelids are actual coelomates whilst Echinodermata are enterocoelomates. Moreover, in addition difference between phylum Annelida and Echinodermata is their habitat. Annelids are present in both terrestrial and aquatic habitats while echinoderms are present only in marine habitats. Phylum Annelida and phylum Echinodermata are two phyla of Kingdom Animalia. Both these phyla include invertebrates. Moreover, they are coelomates. Therefore, these are the major similarly between echinodermata and annelid.
Phylum Annelida and phylum Echinodermata are two phyla of kingdom Animalia. Echinoderms are extra advanced than annelids. Moreover, they have a complex body structure, and they are very closer to chordates. Furthermore, echinoderms can regenerate whilst annelids cannot. Thus, this is the précis summary of similarly and difference between phylum Annelid and Echinodermata.
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