What does Echnioderm mean?

1. What does the name echinoderm mean?
2. What does echinoderm mean in Greek?
3. Does echinoderm mean spiny skin?
4. What does the word echinoderm mean quizlet?
5. What does echinoderm mean in Greek quizlet?
6. Why is echinoderm a good name for this group?
7. Where does the word echinoderm originate from?
8. What means spiny skin?
9. What are the spiny skinned animals?
10. Which of the following is an example of an echinoderm?
11. How does an echinoderm move?
12. What echinoderm has the Aristotle's lantern?
13. What is the underside of a starfish called?
14. What is the name of the bony plates that make up the sea star's skeleton?
15. Where are the eyespots on a starfish?

What does the name echinoderm mean?

Echinoderms are a phylum of marine animals. ... The word "echinoderm" is made up from Greek ἐχινόδερμα, "spiny skin", cf. ἐχῖνος, "hedgehog; sea-urchin" and δέρμα, "skin", echinodérmata being the Greek plural form. The echinoderms are important both biologically and geologically.

What does echinoderm mean in Greek?

Echinodermata are so named owing to their spiny skin (from the Greek “echinos” meaning “spiny” and “dermos” meaning “skin”), and this phylum is a collection of about 7,000 described living species. ... Sea stars (Figure 1), sea cucumbers, sea urchins, sand dollars, and brittle stars are all examples of echinoderms.

Does echinoderm mean spiny skin?

echinoderm, any of a variety of invertebrate marine animals belonging to the phylum Echinodermata, characterized by a hard, spiny covering or skin.

What does the word echinoderm mean quizlet?

Terms in this set (54) What does echinoderm mean? "spiny skin"

What does echinoderm mean in Greek quizlet?

Only $35.99/year. Phylum Echinodermata. Named for the spines or bumps covering their outer surface, the name means "spiny skin;" Greek root work echino- meaning spiny; Latin root word derm meaning skin. About 7,000 known species, all marine.

Why is echinoderm a good name for this group?

What does echinoderm mean in Greek? Why is this a good name for this group? Spiny Skin, the osicles make sea stars spiny.

Where does the word echinoderm originate from?

1834, from Modern Latin Echinodermata, name of the phylum that includes starfish and sea urchins, from Latinized form of Greek ekhinos "sea urchin," originally "porcupine, hedgehog" (see echidna) + derma (genitive dermatos) "skin," from PIE root *der- "to split, flay, peel," with derivatives referring to skin and ...

What means spiny skin?

Definition of spiny-skinned

: having a skin covered with knobs, tubercles, or spines spiny-skinned fishes.

What are the spiny skinned animals?

Who are these “spiny skinned animals”? They are the sea stars (starfish), sea urchins, sand dollars, sea cucumbers, and sea lilies. They all live in marine waters. And scientists have classified them all in the phylum Echinodermata.

Which of the following is an example of an echinoderm?

Examples of an echinoderm include a starfish, a sand dollar, a brittle star, a sea urchin, and a sea cucumber.

How does an echinoderm move?

Echinoderms primarily use their tube feet to move about, though some sea urchins also use their spines. The tube feet typically have a tip shaped like a suction pad in which a vacuum can be created by contraction of muscles.

What echinoderm has the Aristotle's lantern?

The mouth of most sea urchins is made up of five calcium carbonate teeth or plates, with a fleshy, tongue-like structure within. The entire chewing organ is known as Aristotle's lantern from Aristotle's description in his History of Animals.

What is the underside of a starfish called?

The bottom of the sea star is called the oral surface, because that's where the mouth is. If you look at that side, you'll see tiny tube feet with suction cups that line each arm. Those sticky tube feet help the animal hold onto its prey — usually bivalves, like clams and scallops.

What is the name of the bony plates that make up the sea star's skeleton?

What bony plates make up it's skeleton? The Endinoderms.

Where are the eyespots on a starfish?

A starfish has eyespots that cannot see much in the way of details but can detect light and dark. These eyespots are at the tip of each of the starfish's arms.