Question Detail

BIO 102 Unique characteristics of animals 1 Objective Question

Question

Which set of features is characteristic of Phylum Chordata at some stage of their life cycle, as described in the document?
Options
A Jointed appendages, chitin exoskeleton, open circulatory system
B Muscular foot, visceral mass, mantle
C Notochord, dorsal hollow nerve cord, pharyngeal slits, post-anal tail
Correct Answer
D Water vascular system, radial symmetry (adult), endoskeleton of calcareous plates
Correct Answer

Option C is the correct answer.

Detailed Explanation

The 'Phylum Chordata (Most complex)' section clearly lists these defining characteristics: 'Possess notochord at some stage (flexible rod supporting the body). Dorsal hollow nerve cord, pharyngeal slits, post-anal tail.'

Hint

These are considered the 'hallmarks' that define all chordates.

Question Info