A vertebrate-animal embryo gives rise to the centrum. The centrum is a bone that is part of the vertebral column. It is the hollow space within the vertebra that protects and contains the spinal cord. Within this hollow area are several nerves that send impulses to the brain enabling the organism to function and be at its homeostasis.
There was less of it, making it more possible for the species to be extinct.
Where is the graph because i cant answer the answer the question without it
OMG I love biology and your answer is going to be B!!!!!!!!!! I have a 100% in biology
The answer is c, hope it helped