Sea urchins are members of the phylum Echinodermata, which also includes starfish, sea cucumbers, sand dollars, brittle stars, and crinoids. Like other echinoderms, they have five-fold …

The meaning of URCHIN is hedgehog. How to use urchin in a sentence.

Jan 11, 2025 · Sea urchins, or simply urchins, are globular echinoderms of the phylum Echinodermata (consisting of starfish, sea cucumbers, sand dollars, brittle stars, and crinoids), …

Sea urchin, any of about 950 living species of spiny marine invertebrate animals (class Echinoidea, phylum Echinodermata) with a globular body and a radial arrangement of organs, …

Sea urchins are typically viewed as spiky, black, spherical creatures. However, many may be surprised to discover this animal group's immense variety. Characterized by vibrant hues, …

These spiky little sea creatures are incredibly common throughout the world. They are slow moving creatures, which are commonly found in the intertidal zones of rocky shorelines. Sea …

Sea urchins belong to a group of marine invertebrates called Echinodermata, which means spiky-skinned. Animals in this group are known as echinoderms and include sea cucumbers, sea …

May 27, 2024 · A sea urchin is a small marine animal in the Echinodermata phylum that is spherical in shape and covered in spines or cilia. There are 950 species of sea urchins. Some …

Oct 24, 2020 · Urchins are fascinating animals that play a significant ecological role in the ecosystems in which they live. Their unique and complex developmental properties as well as …

Aug 22, 2015 · Urchins are part of the phylum Echinoderm and their name comes from Ancient Greek (echinos meaning "hedgehog" and derma meaning "skin"). There are more than 900 …