echinoderm in a sentence
n.
📚 Grade Level: Grade 9, Grade 10, Grade 11, Grade 12
Definition
Echinoderm: a marine invertebrate belonging to the phylum Echinodermata, characterized by a radial symmetry and a calcareous skeleton, including species such as starfish and sea urchins.
Sample Sentences
- The echinoderm exhibits a remarkable ability to regenerate lost limbs.
- Starfish and sea urchins are well-known examples of echinoderms found in marine environments.
- Researchers are studying the unique biological features of echinoderms to understand their evolutionary history.
- The echinoderm's radial symmetry distinguishes it from many other animal phyla.
- In coastal ecosystems, echinoderms play a crucial role in maintaining the balance of marine life.