Question

PLEASE HELP!!!

Which phylum has the least number of species?
A)porifera
B)coelenterata
C)platyhelminthes
D)nematoda
E)annelida
F)mollusca
G)arthropoda
H)enchinodermata
I)chordata

Answer 1

A) porifera has the least number of species

Answer 2

F) mollusca

"Mollusca is the second largest phylum of invertebrate animals. The members are known as molluscs or mollusks (/ˈmɒləsk/). Around 85,000 extant species of molluscs are recognized. The number of fossil species is estimated between 60,000 and 100,000 additional species."