D. Sensory neurons sense a stimulus.
C. Sensory neurons pass info about the stimulus.
B. Interneurons receive and process info about the stimulus.
A. Motor neurons carry directions form interneurons to muscle cells
I THINK!!!!!!!!!!!!!!!!
Primary succession occurs in an area that has not been previously inhabited by a community. Places where primary succession occurs include newly exposed rock areas, sand dunes, and lava flows.
Humans have 23 pairs of autosomes 46 in total
