Question

Which of these is NOT characteristic of chordates?
Answer

a dorsal supporting rod

a dorsal hollow nerve cord

pharyngeal pouches

chloroplasts in their cells

Answer 1

my answer is d.

Answer 2

Three characteristics of chordates:

Four distinctive derived characteristics of chordates distinguish them from their ancestors:

A. Notochord, or a rod of vacuolated cells, encased by a firm sheath that lies ventral to the neural tube in vertebrate embryos and some adults.
B. Hollow nerve cord that lies dorsal to the notochord

C. Pharyngeal pouches

D. Endostyle - elongated groove in the pharynx floor of protochordates that may develop as the thyroid gland in chordates

Answer 3

so u are correct

Answer 4

ok ty!

Answer 5

D is false because chloroplasts are photosynthetic organelles found in photoautotrophic eukaryotes, which chordates are not.

Answer 6

ok tysm!