Multiple Choice
Gastropods show major evolutionary changes relative to molluscs in that
A) they have greater development of the head.
B) the visceral mass has twisted through 180 .
C) the body has undergone torsion.
D) the shell has become spiral.
E) All of the answers are correct.
Correct Answer:

Verified
Correct Answer:
Verified
Q3: The coelom probably evolved in the first
Q4: Which of the following characteristics is true
Q5: Compared to other molluscan groups, cephalopods have
Q6: Peristaltic locomotion is dependant on<br>A) segments controlled
Q7: A feature that distinguishes insects from crustaceans
Q9: Metameric segmentation<br>A) is similar to the repetition
Q10: Both annelids and arthropods share the features<br>A)
Q11: The group of arthropods that includes the
Q12: In cephalopods, chromatophores<br>A) allow them to see
Q13: Insects are important to human activity because