Spiral cleavage is found in

Identify the mismatched pair from the following:

In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct?

Column $-I$ contains the organs of locomotion and Column $-II$ contains the phyla in which they are found. Select the correct combination of the two columns:

Column $-I$	Column $-II$
$(A)$ Pseudopodia	$(i)$ Mollusca
$(B)$ Parapodia	$(ii)$ Chondrichthyes
$(C)$ Muscular foot	$(iii)$ Protozoa
$(D)$ Fins	$(iv)$ Annelida

What is common among a parrot,a platypus,and a kangaroo?

Which one of the following groups of three animals is correctly matched with their one characteristic morphological feature?