Question Detail
Question
Which of the following is NOT one of the three main groups animals are divided into based on symmetry?
Correct Answer
Option D is the correct answer.
Detailed Explanation
Animals are divided into asymmetrical, radially symmetrical, and bilaterally symmetrical groups. 'Vertically symmetrical' is not a standard term used in animal classification.
Hint
Check the three categories listed in the 'Body Symmetry' section.