The option which is not a characteristic of chordates is chloroplasts in their cells.
Chordates do have a dorsal supporting rod (vertebrates are types of chordates - they have a spine), a dorsal hollow nerve cord (within the spine), and pharyngeal pouches. However, they do not have chloroplasts, because that is a characteristic of photoautothropic eukaryotes, which chordates certainly are not.
Solifluction takes place in areas where permafrost exists.so it's C.Hope this helps:)
The hypothalamus in the brain contributes to the body's maintenance of a steady internal physiological state, called homeostasis.
