Question

write in brief about criteria used for animal classification​

Answer 1

Answer:

At a very basic level of classification, true animals can be largely divided into three groups based on the type of symmetry of their body plan: radially symmetrical, bilaterally symmetrical, and asymmetrical. Asymmetry is a unique feature of Parazoa (Figure 2a). Only a few animal groups display radial symmetry.

Answer 2

Answer:

i didn't understand so i will not answer