Echinoderms
1. What are some
representatives of the
echinoderm phylum?
2. Under which environments
do echinoderms live?
3. What are the basic
morphological features of
echinoderms?
4. How can the endoskeleton
of echinoderms be
characterized in comparison
to analogous structures
present in vertebrates,
arthropods and molluscs?
5. What is the system that
permits movement and
fixation to echinoderms?
6. What is the type of
digestive system of
echinoderms?
7. Do sea urchins have teeth?
8. What is the embryonic
characteristic that
evolutionarily makes
echinoderms proximal to
chordates?
9. Do echinoderms have
respiratory and circulatory
systems?
10. Do echinoderms have an
excretory system? How is
excretion done in these
animals?
11. How are the symmetry and
the nervous system
characterized in echinoderms?
12. Do echinoderms present
internalor external
fecundation? Is there sex
division among individuals?
13. Is there a larval stage in
echinoderms?
14. What are the classes into
which the phylum
Echinodermata is divided?
15. Echinoderm identity card.
How are echinoderms
characterized according to
examples of representing
beings, basic morphology,
type of symmetry, germ layers
and coelom, digestive system,
respiratory system, circulatory
system, excretory system,
nervous system and types of
reproduction?