Gastropods have a “vertebrate eye”—a highly advanced visual system. 
 True 
 False
 Arthropods are the most numerous phylum. 
 True 
 False 
 Some arthropods do not have jointed appendages. 
 True 
 False
 If you randomly selected one animal on Earth, it would probably be a crab. 
 True 
 False 
 Spiders and centipedes are part of the class Crustacea. 
 True 
 False 
 Arthropods have exoskeletons. 
 True 
 False
 Crustacea and Insecta are classes of mollusks. 
 True 
 False 
 A lobster’s cephalothorax, which is a combination head and thorax, is an example of arthropods’ segmented body plan. 
 True 
 False