Multiple Choice
All members of the phylum Chordata share
A) a notochord present sometime in their lives.
B) a vertebral column.
C) gills present throughout their lives.
D) tails present throughout their lives.
E) exoskeletons.
Correct Answer:

Verified
Correct Answer:
Verified
Q2: Mammals have two traits that set them
Q3: Identify the major trends in primate evolution.
Q4: The process seen in many insects involving
Q5: In cnidarians, nematocysts are important in<br>A)food digestion.<br>B)excretion
Q6: One major innovation in animal body plan
Q8: Which of the following does (or did)not
Q9: Sponges are very interesting animals. Although they
Q10: It is generally thought that four critical
Q11: The exoskeleton of arthropods<br>A)grows with the animal.<br>B)is
Q12: Match the phylum with its defining or