1) 1. What is a defining characteristicof echinoderms? a) Bilateral symmetry b) Radial symmetry c) No symmetry d) Asymmetry 2) How do echinoderms move around?  a) Flying b) Crawling c) Using tube feet d) Jumping 3) What helps echinoderms move around? a) Fins b) Tentacles c) Tiny suckers on tube feet d) claws 4) How to echinoderms protect themselves from predators? a) Running away b) Hiding in cracks c) Flying d) Camourflage 5) What is the body shape of many adult echinoderms a) Circular b) Spoke-like, reseembling a wheel c) Triangular d) Square 6) Where do echinoderms live? a) On land b) In trees c) In water d) Underground 7) What do echinoderms eat if their mouths are on their undersides? a) Plants b) Mollusks c) Insects d) Small mammals 8) How many arms do most achinoderms have? a) Multiples of three b) Multiples of five c) Multiples of two d) Only one arm 9) Whta is the purposes of the spines on echinoderms' bodies? a) Attracting mates b) Providing shade c) Defense against predators d) Helping in movement 10) How do some echinoderms escape from predators? a) Flying away b) Growing another arm c) Hiding in water d) Curling into a ball

Echinoderms

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