Question

two example of each ..... 1arthopoda
2 molluska
3 protochordata

Answer 1

1. Horshoe crabs , Spiders , Scorpion.
2. Octopus , Squid.
3. Balanoglossus , Herdemania.

Answer 2

☆Arthropoda: ( Spider.)-arenea,(house fly)musca
☆Mollusca: octopus, unio
☆protochordata: Balanoglossus, amphioxus