Quiz
- Vertebrates belong to which subphylum?
A. Protochordata
B. Vertebrata
C. Hemichordata
D. Arthropoda
Answer: B - The defining feature of vertebrates is the presence of:
A. Exoskeleton
B. Notochord only
C. Vertebral column
D. Open circulatory system
Answer: C - In vertebrates, the notochord is:
A. Absent
B. Permanent
C. Replaced by vertebral column
D. Found only in adults
Answer: C - The nervous system in vertebrates is:
A. Diffused
B. Absent
C. Highly developed
D. Simple
Answer: C - Vertebrates possess which type of circulatory system?
A. Open
B. Closed
C. Mixed
D. None
Answer: B - The brain of vertebrates is protected by:
A. Ribs
B. Skull
C. Vertebrae
D. Muscles
Answer: B - Which symmetry is found in vertebrates?
A. Radial
B. Asymmetrical
C. Bilateral
D. Spherical
Answer: C - The excretory organ in vertebrates is:
A. Liver
B. Kidney
C. Heart
D. Lungs
Answer: B - Vertebrates have which type of skeleton?
A. Exoskeleton only
B. Endoskeleton
C. Hydrostatic
D. None
Answer: B - Vertebrates are considered advanced because of:
A. Lack of organs
B. Simple body plan
C. Complex organ systems
D. No symmetry
Answer: C