Answer:
commensalism
an association between organisms in which one benefits and the other derives nor harm
In biology the three domains are Archaea, the Bacteria, and the Eukarya.
Answer:
Dorsal nerve cord
Explanation:
For chordates, based on the particular life cycle there are at, they could either posses a NOTOCORD or a DORSAL NERVE CORD.
Chordates can be fishes, reptiles, manmals , vertebrates amphibians, birds etc.
Please let me add that, CHORDATES are mostly if not entirely vertebrates and as such possess DORSAL NERVE CORD.
N.B
Ventral nerve cord are for invertebrates
Xylem and Phloem are the conducting elements of vascular plants.They function in the transport of water nutrients,sugar,proteins,and RNA throughout the plant
