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Questions and Answers
What is the name of the calcareous skeleton developed by echinoderms?
What is the name of the calcareous skeleton developed by echinoderms?
- Endoskeleton (correct)
- Chitinous skeleton
- Exoskeleton
- Hydroskeleton
Where is the anus located in echinoderms?
Where is the anus located in echinoderms?
- Near the mouth
- Central body cavity
- Upper surface (aboral) (correct)
- Lower surface (oral)
Which symmetry is exhibited by echinoderms?
Which symmetry is exhibited by echinoderms?
- Spherical symmetry
- Radial symmetry (correct)
- Cuboidal symmetry
- Bilateral symmetry
What kind of system is present in the coelom of echinoderms?
What kind of system is present in the coelom of echinoderms?
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How do motile echinoderm species move?
How do motile echinoderm species move?
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Which system is poorly developed in echinoderms?
Which system is poorly developed in echinoderms?
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What type of fertilization occurs in echinoderms?
What type of fertilization occurs in echinoderms?
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What is a key characteristic shared between echinoderms and chordates?
What is a key characteristic shared between echinoderms and chordates?
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Which of the following echinoderm species exhibits the ability of regeneration?
Which of the following echinoderm species exhibits the ability of regeneration?
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Why are echinoderms considered simple in structure and placed at the top of the list of invertebrate phyla?
Why are echinoderms considered simple in structure and placed at the top of the list of invertebrate phyla?
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