5.) Mollusks have shells?
a. true
b. some do, some dont
c. false
d. only bivalves do
6.) The Name Echinoderm means?
a. double life
b. two shells
c. spiney skin
d. ringed body
7.) The Number of body segments Arachnids have?
a. two
b. three
c. four
d. one
8.) Which Arthropods have six legs?
a. Crustaceans
b. Spiders
c. Insects
d. Arachnids
9.) To which set of animal do corals belong?
a. Parrots and Ducks
b. Jellyfish and Hydra
c. Starfish and Sea urchin
d. Earthworms and leeches​