Question

give two examples each of organisms belonging the following phylums arthropoda, mollusca, protochordata

Answer 1

☆Phylums: Chordate, Sponge.

☆Arthropoda: Insect, Spider.

☆Mollusca: Cuttlefish,Snail.

☆protochordata: Balanoglossus, Saccoglossus

Answer 2

a)arthropoda-spiders,scorpions
b)mollusca-chiton,pila
c)protochordata-amphioxus,herdmania