Podcast
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?
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?