The second largest animal phylum isAnnelidaArthropodaMolluscaEchinodermata

What is the largest animal phylum in terms of number of species?Group of answer choicesArthropodsMollusksAnnelidsVertebratesRoundworms

Some animals are given in the list below:Asterias, Pila, Echinus, Antedon, Pinctada, Cucumaria, Octopus, Loligo, Ophiura, DentaliumHow many animals among these are related to the second largest phylum of animalTwoThreeFourFive

Which of the following phyla is considered the most successful of all animal phyla containing more than 1,000,000 species?Multiple choice question.ArthropodaMolluskaAnnelidaNematoda

To which phylum do sponges belong?ArthropodaMolluscaCnidariaPorifera

Select all organisms that belong in phylum Arthropoda.