Answer to Question 1ANS: F
Although some squid may be the largest of invertebrates, an octopus is the most intelligent of
invertebrates. Octopus intelligence is equivalent to that of a puppy with better eyesight. Information
can be found in the section Advanced Invertebrates Have Complex Bodies and Internal Systems
Answer to Question 2ANS: T
Bilateral symmetry means that the body has a right side and a left side that are mirror images of each
other. It is found in worms and other animals as evolution progresses. Information can be found in the
section The Worm Phyla Are the Link to Advanced Animals.