Simple animals biology quiz online, multiple choice, 4th, 5th, 6th Grades. Students will learn what simple animals are with some examples, characteristics of simple animals, e.g. jelly fish, sea anemones, flatworms, corals and more. Simple animals have parculier characteristics in terms of how they reproduce, diet, propage and more. This quiz is an interactive test which can be used freely online on tablet or on the computer. There are answer keys in each quiz and students can get instant feedback. The questions take the form of mcqs. Have fun learning some biology facts.