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Questions and Answers
What type of larvae do echinoderms typically have?
What type of larvae do echinoderms typically have?
- Asymmetric larvae
- Radially symmetrical larvae
- Spherical larvae
- Bilaterally symmetrical larvae (correct)
What is the embryonic development pattern of echinoderms?
What is the embryonic development pattern of echinoderms?
- Deuterostomous (mouth first)
- Hemichordate-like
- Deuterostomous (anus second) (correct)
- Protostomous
What is the role of mutable collagenous tissue (MCT) in echinoderms?
What is the role of mutable collagenous tissue (MCT) in echinoderms?
- Aids in reproduction
- Provides rigidity to the body wall (correct)
- Forms the water vascular system
- Acts as the excretory organ
What is the composition of the mesodermally derived endoskeleton in echinoderms?
What is the composition of the mesodermally derived endoskeleton in echinoderms?
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What structures are present on the surface of echinoderms to support spines and articulated appendages?
What structures are present on the surface of echinoderms to support spines and articulated appendages?
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