Select the incorrect statement out of the following.

• A

  All animals belonging to various phyla are assigned to the kingdom Animalia.

• B

  As we go higher from species to the kingdom, number of common characteristics goes on increasing.

• C

  Different classes comprising fish, amphibians, reptiles, birds and mammals together constitute the phylum Chordata.

• D

  Plant order Polymoniales includes the families like Solanaceae and Convolvulaceae based on the vegetative and floral characters.