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Questions and Answers
What type of symmetry do adult echinoderms possess?
What type of symmetry do adult echinoderms possess?
- Spherical
- Radial (correct)
- Asymmetrical
- Bilateral
What is the unique water vascular system in echinoderms connected to?
What is the unique water vascular system in echinoderms connected to?
- Gills
- Tube feet (correct)
- Muscles
- Nerves
Which feature makes the endoskeleton of echinoderms peculiar?
Which feature makes the endoskeleton of echinoderms peculiar?
- Composed of calcium carbonate plates (correct)
- Composed of chitin
- Composed of cartilage
- Composed of silica
In which form do echinoderms exhibit bilateral symmetry?
In which form do echinoderms exhibit bilateral symmetry?
What is the function of the tube feet in echinoderms?
What is the function of the tube feet in echinoderms?
Which material forms the bumps and spines on the endoskeleton of echinoderms?
Which material forms the bumps and spines on the endoskeleton of echinoderms?
Which phylum is characterized by flattened, elongate, bilaterally symmetrical animals with a branched gastrovascular cavity and a central nervous system with several nerve cords?
Which phylum is characterized by flattened, elongate, bilaterally symmetrical animals with a branched gastrovascular cavity and a central nervous system with several nerve cords?
What is the purpose of the large, ventral muscular foot in mollusks?
What is the purpose of the large, ventral muscular foot in mollusks?
Which phylum is known for having a soft body covered with a mantle that secretes a hard shell?
Which phylum is known for having a soft body covered with a mantle that secretes a hard shell?
Which class of the phylum Platyhelminthes consists of free-living flatworms that have eyespots and move by means of their ciliated epidermis?
Which class of the phylum Platyhelminthes consists of free-living flatworms that have eyespots and move by means of their ciliated epidermis?
In which class of Platyhelminthes can we find flukes, parasitic flatworms with digestive tracts and complex life cycles involving multiple hosts?
In which class of Platyhelminthes can we find flukes, parasitic flatworms with digestive tracts and complex life cycles involving multiple hosts?
In annelids, in which segments is the clitellum usually formed?
In annelids, in which segments is the clitellum usually formed?
Which class of Platyhelminthes consists of tapeworms that lack a digestive tract and absorb food through their body walls?
Which class of Platyhelminthes consists of tapeworms that lack a digestive tract and absorb food through their body walls?
What is the significance of the girdle in a chiton's body structure?
What is the significance of the girdle in a chiton's body structure?
Which mollusk class has an oval flattened body made up of 8 overlapping plates?
Which mollusk class has an oval flattened body made up of 8 overlapping plates?
What is a distinguishing feature of Class Monogenea within the phylum Platyhelminthes?
What is a distinguishing feature of Class Monogenea within the phylum Platyhelminthes?
Why is the pallial cavity important for a chiton?
Why is the pallial cavity important for a chiton?
Which phylum includes animals with a digestive tract, respiratory system, and circulatory system, unlike the phylum Platyhelminthes?
Which phylum includes animals with a digestive tract, respiratory system, and circulatory system, unlike the phylum Platyhelminthes?
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