echinoidea Synonyms
No Synonyms and anytonyms found
echinoidea Meaning
echinoidea (n)
sea urchins and sand dollars
echinoidea (n. pl.)
The class Echinodermata which includes the sea urchins. They have a calcareous, usually more or less spheroidal or disk-shaped, composed of many united plates, and covered with movable spines. See Spatangoid, Clypeastroid.
echinoidea Sentence Examples
- Echinoidea, commonly known as sea urchins, are a class of marine invertebrates belonging to the phylum Echinodermata.
- The bodies of echinoidea are covered with hard, calcareous plates, commonly referred to as "spines" or "tests."
- Echinoidea are radially symmetrical organisms, meaning their bodies are divided into five equal parts around a central axis.
- Echinoidea, like other echinoderms, possess a unique water vascular system, which is used for locomotion, feeding, and respiration.
- The mouth of echinoidea is located on the underside of their bodies and is surrounded by five jaws with specialized teeth for scraping algae and other food particles.
- Echinoidea move using their tube feet, which are small, flexible appendages located on the underside of their bodies.
- The Aristotle's lantern, a unique feeding apparatus, is a characteristic feature of echinoidea, consisting of five teeth arranged in a pyramid-like structure.
- Echinoidea play an important role in maintaining the balance of marine ecosystems by grazing on algae and preventing their overgrowth.
- Some species of echinoidea, such as the sea urchin, have been used as a food source by humans for centuries.
- Echinoidea fossils provide valuable insights into the evolutionary history and paleoecological conditions of ancient marine environments.
FAQs About the word echinoidea
sea urchins and sand dollarsThe class Echinodermata which includes the sea urchins. They have a calcareous, usually more or less spheroidal or disk-shaped, comp
No synonyms found.
No antonyms found.
Echinoidea, commonly known as sea urchins, are a class of marine invertebrates belonging to the phylum Echinodermata.
The bodies of echinoidea are covered with hard, calcareous plates, commonly referred to as "spines" or "tests."
Echinoidea are radially symmetrical organisms, meaning their bodies are divided into five equal parts around a central axis.
Echinoidea, like other echinoderms, possess a unique water vascular system, which is used for locomotion, feeding, and respiration.
