Question

Animals cannot be classified using phylogenetic clues by taxonomists based on

• A. Body symmetry
• B. Motility
• C. Pattern of embryonic development
• D. Complexity of tissue organization
• E. None of the above

Answer 1

Answer: (B)

Motility

Phylogenetic classification mainly depends on similarities and differences in their physical or genetic characteristics. The evolutionary relationship defined by the phylogenetic depends on the body symmetry, the pattern of embryonic development, the complexity of tissue organisation. Motility is a basic characteristic which is not prominent for a particular class rather it is common to all. It do not change with evolution.

So, the correct answer is option B.