Which class has the largest number of animals?FishesReptilesInsectsMammals

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

What animal group contains 60,000 species, most of which are vertebrates?Multiple choice question.EchinodermsPlatyhelminthesArthropodsChordates

porpoise 75-150,000goldfish 20-3,000 catfish  50-4,000 tuna  50-1,100 bullfrog  100-3,000 tree frog 50-4,000 canary  250-8,000 parakeet  200-8,500 cockatiel 250-8,000 owl  200-12,000 chicken

From a classification standpoint, which of these organisms is LEAST like the other three?ResponsesA alligatoralligatorB crabcrabC frogfrogD whale