In brittle star, respiration occurs through
a) papule
b) peristomical gills
c) genetal bursae
d) cloacae
Along with locomotion, tube feet help in……..in echinoderms.
a) capturing prey
b) respiration
c) both a and b
d) none of them
Which of the following are true about the reproduction in echinoderms?
a) external fertilization, separate sexes, sexual reproduction along with regeneration
b) internal fertilization, separate sexes, sexual reproduction, no regeneration
c) external fertilization, separate sexes, asexual reproduction only
d) external fertilization, hermaphrodite, sexual reproduction, no regeneration
Development in echinoderm is intermediate including characteristic larva called……..
a) Planula
b) Trochophore
c) Bipinnaria
d) Glochidium
Which of the following is/are the unique characteristic/s of echinoderms in invertebrates?
a) they have no parasite member
b) they are all marine
c) bilateral symmetry (larva) but radial (adult)
d) all of these
Which of the following is/are the unique characteristic/s of echinoderms in invertebrates?
a) they have no parasite member
b) they are all marine
c) bilateral symmetry (larva) but radial (adult)
d) all of these
