Podcast
Questions and Answers
Which phylum has adults that are endoparasites of vertebrates and juveniles in arthropods?
Which phylum has adults that are endoparasites of vertebrates and juveniles in arthropods?
- Nematomorpha
- Gastrotricha
- Phylum Mollusca (Molluscs)
- Acanthocephala (Spiny-Headed Worms) (correct)
Which phylum is triploblastic with true coelom and usually has a soft, unsegmented body?
Which phylum is triploblastic with true coelom and usually has a soft, unsegmented body?
- Phylum Mollusca (Molluscs) (correct)
- Acanthocephala (Spiny-Headed Worms)
- Gastrotricha
- Nematomorpha
Which organism has a cylindrical retractable proboscis with rows of spines?
Which organism has a cylindrical retractable proboscis with rows of spines?
- Nematomorpha
- Gastrotricha
- Acanthocephala (Spiny-Headed Worms) (correct)
- Phylum Mollusca (Molluscs)
Which phylum has a body usually enclosed by a thin fleshy mantle that secretes hard external shell?
Which phylum has a body usually enclosed by a thin fleshy mantle that secretes hard external shell?
Which phylum has adults with no digestive tract and a long cylindrical body with spiny proboscis?
Which phylum has adults with no digestive tract and a long cylindrical body with spiny proboscis?
Spiny-Headed Worms belong to the Phylum Acanthocephala
Spiny-Headed Worms belong to the Phylum Acanthocephala
The Phylum Mollusca is triploblastic with true coelom
The Phylum Mollusca is triploblastic with true coelom
The Phylum Mollusca has a body usually enclosed by a thin fleshy mantle
The Phylum Mollusca has a body usually enclosed by a thin fleshy mantle
Acanthocephala has a digestive tract
Acanthocephala has a digestive tract
Gastrotricha and Nematomorpha are endoparasites of vertebrates
Gastrotricha and Nematomorpha are endoparasites of vertebrates
Spiny-Headed Worms belong to the Phylum Mollusca
Spiny-Headed Worms belong to the Phylum Mollusca
Acanthocephala has a digestive tract
Acanthocephala has a digestive tract
Phylum Mollusca has bilateral symmetry and some with secondary asymmetry
Phylum Mollusca has bilateral symmetry and some with secondary asymmetry
Gastrotricha and Nematomorpha are endoparasites of vertebrates
Gastrotricha and Nematomorpha are endoparasites of vertebrates
Acanthocephala has a cylindrical retractable proboscis with rows of spines
Acanthocephala has a cylindrical retractable proboscis with rows of spines
Study Notes
Phylum Characteristics
- The phylum with adults that are endoparasites of vertebrates and juveniles in arthropods is unknown (not mentioned in the text).
- Phylum Mollusca is triploblastic with a true coelom.
- Phylum Mollusca has a body usually enclosed by a thin fleshy mantle that secretes a hard external shell.
Phylum Acanthocephala
- Also known as Spiny-Headed Worms.
- Has a cylindrical retractable proboscis with rows of spines.
- Adults have no digestive tract.
- Body is long and cylindrical.
Phylum Mollusca
- Body has bilateral symmetry, and some have secondary asymmetry.
Other Phyla
- Gastrotricha and Nematomorpha are endoparasites of vertebrates.
- Note: They are not part of the Phylum Acanthocephala or Mollusca.
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Description
Test your knowledge of invertebrate diversity with this quiz covering topics such as Acanthocephala, Gastrotricha, Nematomorpha, and Phylum Mollusca. Evaluate your understanding of the characteristics of these organisms and their body cavities.
