C. spinal nerves
it is the answer to your question.
Producing a contraction that changes both the length and the shape of the cell
New England was a neighbor to North Africa 220 millions ago.
As looked down upon by the space, it is found that new England and North Africa are immediate neighbors. It took over millions of years or the continents to move apart. The gap left between them was eventually filled by the Atlantic Ocean.
Answer:
a gene present on the Y chromosome that triggers male development
Explanation: