1. Which structure do Urochordates lack as adults? a) nerve cords
b) gills
c) blood vessels
d) vertebrae

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

the framers of the constitution insisted that federal judges be nominated instead of elected due to their desire to have judges above the shifting whims of the masses.

the hope, whether achieved or not, was that federal judges would only be beholden to the law and that by not having judges be elected, they would be protected if that law dictated an outcome that ran counter to popular opinion.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;