Question

Chordates, members of the phylum Chordata, are part of the clade Deuterostomia. Chordates include the vertebrates (animals that have a vertebral column, or backbone) as well as three groups of invertebrates.

Part A - Derived characters of chordates

All chordates share a set of derived characters during at least some part of their life.

Drag the labels to their correct locations on the diagram of chordate characters below. Use blue labels for blue targets and pink labels for pink targets.

Answer 1

Answer 2

A. Notochord
B. Paryngeal Clefts
C. Pharyngeal slits
D. Dorsal, hollow nerve cord
E. muscular, post-anal tail
F. may be associated with a jointed skeleton
G. may develop into parts of the ear
H. may develop into gill slits
I. may develop into the brain and spinal chord
J. may be used to propel some species in water