Identify the Class of Echinoderms: Sea Stars, Brittle Stars, Sea Urchins, and More

1. What is the scientific classification for sea stars, commonly known as starfish?

Phylum EchinodermataClass Asteroidea

Phylum Chordata - Class Osteichthyes

Phylum Arthropoda - Class Crustacea

Phylum Mollusca - Class Cephalopoda

Sea stars, also known as starfish, belong to the Phylum Echinodermata and Class Asteroidea. They are not classified under Phylum Mollusca, Phylum Arthropoda, or Phylum Chordata.

Explanation

Sea stars, also known as starfish, belong to the Phylum Echinodermata and Class Asteroidea. They are not classified under Phylum Mollusca, Phylum Arthropoda, or Phylum Chordata.

About This Quiz

Identify The Class Of Echinoderms: Sea Stars, Brittle Stars, Sea Urchins, And More - Quiz

Enhance your understanding of the Echinodermata phylum by matching common names to their respective classes. This activity focuses on taxonomy within the animal kingdom, specifically echinoderms, fostering skills in biological classification and enhancing knowledge relevant to academic and research settings.

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2. What phylum and class do brittle stars belong to?

Phylum Chordata, Class Mammalia

Phylum EchinodermataClass Ophiuroidea

Phylum Arthropoda, Class Insecta

Phylum Mollusca, Class Cephalopoda

Brittle stars are marine invertebrates belonging to the phylum Echinodermata and the class Ophiuroidea. They are not part of Phylum Arthropoda, Mollusca, or Chordata.

Explanation

Brittle stars are marine invertebrates belonging to the phylum Echinodermata and the class Ophiuroidea. They are not part of Phylum Arthropoda, Mollusca, or Chordata.

3. What phylum and class do sea cucumbers belong to?

Phylum Mollusca Class Cephalopoda

Phylum Arthropoda Class Insecta

Phylum EchinodermataClass Holothuroidea

Phylum Chordata Class Mammalia

Sea cucumbers belong to the Phylum Echinodermata and Class Holothuroidea. While the incorrect answers belong to different phyla and classes that are not related to sea cucumbers.

Explanation

Sea cucumbers belong to the Phylum Echinodermata and Class Holothuroidea. While the incorrect answers belong to different phyla and classes that are not related to sea cucumbers.

4. What phylum and class do crinoids belong to?

Phylum Chordata, Class Reptilia

Phylum EchinodermataClass Crinoidea

Phylum Arthropoda, Class Insecta

Phylum Mollusca, Class Cephalopoda

Crinoids, commonly known as sea lilies or feather stars, are marine animals that belong to the Phylum Echinodermata and Class Crinoidea. They are not part of Phylum Arthropoda, Mollusca, or Chordata.

Explanation

Crinoids, commonly known as sea lilies or feather stars, are marine animals that belong to the Phylum Echinodermata and Class Crinoidea. They are not part of Phylum Arthropoda, Mollusca, or Chordata.

5. What phylum and class do sea urchins belong to?

Phylum Mollusca, Class Gastropoda

Phylum Arthropoda, Class Insecta

Phylum EchinodermataClass Echinoidea

Phylum Cnidaria, Class Anthozoa

Sea urchins are part of the phylum Echinodermata and the class Echinoidea, which are distinct classifications from those of cnidarians, mollusks, and arthropods.

Explanation

Sea urchins are part of the phylum Echinodermata and the class Echinoidea, which are distinct classifications from those of cnidarians, mollusks, and arthropods.