Scientists have recently devised a new six-kingdom classification of organisms. according to the cladogram for the six-kingdom system
a) the eubacteria gave rise to all life on earth.
b) the archaebacteria gave rise to the eukaryotes.
c) the archaebacteria are classified as eukaryotic.
d) only the bacterial kingdoms have a common ancestor.

According to the cladogram for the six-kingdom system;

B) the Archaebacteria gave rise to the eukaryotes.

All of the six kingdoms have common ancestors. First divergence gave rise to the Eubacteria and Archaebacteria. The other major branching gave rise to the ancestors of the four eukaryotic kingdoms.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .