Answer:
Seven other species are extinct, prehistoric species known from fossils. The giraffe's chief distinguishing characteristics are its extremely long neck and legs, its horn-like ossicones, and its distinctive coat patterns. It is classified under the family Giraffidae, along with its closest extant relative, the okapi.
C.Stimulation of thoracic or lumbar spinal regions,chain ganglion,acetylcholine release
First one - two gametes will unite during fertilization to create a diploid cell
I would have to say C) Mongoli; it’s part of an Asian route so I guess it should be that :) hope this was helpful