Question

chapter 31 question 1
1 part | -- of 4 points

rank the three most diverse phyla of protostome animals from most to least diverse.

mollusca > arthropoda > nematoda
arthropoda > nematoda > mollusca
arthropoda > mollusca > nematoda

Explanation:

Arthropoda is the most diverse protostome phylum, containing insects, crustaceans, and arachnids with over a million described species. Mollusca is the second most diverse, including snails, clams, and octopuses. Nematoda (roundworms) is the third of these three in species diversity.

Answer:

C. Arthropoda > Mollusca > Nematoda