Which group includes flatworms?

Which group includes sponges?

Which group includes jelly fish, hydra, and sea anenomes?

Which group includes roundworms?

Which group includes segmented worms like earthworms and leeches?

Which group includes snails, slugs, octipus, and squids?

Which group includes insects, lobsters, and crabs?

Which group is the jawless fish?

Which group includes fish with a cartilage skeleton?

Which group do most fish fall into? (They have bones!)

Which group has the most evolved respiratory system?

Which mammal gives live birth after a gestation period?

Which mammal has a pouch to help develop their babies in?

Which mammals lay eggs?

Which animals have the most evolved heart?

Which group has a jacobson's organ?

Which group was the fist to lay their eggs on land?

Which group has the lateral line organ?

Which group has hollow bones?