Which of the following animals are protostomes?
a) mlollusks
b) annelids
c) arthropods
d) all of these
Explanation: the first opening they develop is mouth
Which of the following is/are the characteristic/s of protostomes?
a) bilaterally symmetrical
b) triploblastic
c) having a true coelom
d) all of these
Which of the following animals are deutrostomes?
a) echinoderms
b) chordates
c) arthropods
d) both a and b
Explanation: they develop the anus first
Which of the following is/are the characteristic/s of the deutrostomes?
a) they are coelomate
b) radial cleavage in embryonic division
c) fate of cells indeterminate
d) all of these
In deutrostomes, the blastopore is associated with the……in deutrostomes.
a) mouth
b) anus
c) gut
d) nostrils
Explanation: the second embryonic opening is associated with the mouth
Subkingdom Parazoa:
