Should pandas should go extinct?

Which of the following can be assumed about the layers in areas 2 and 4

Can happen anywhere along the spine if the neural tube does not close all the way. the backbone that protects the spinal cord does not form and close as it should. this often results in damage to the spinal cord and nerves. a) cleft palate b) spina bifida c) encephalocele d) down's syndrome

Which of the characteristics of life does a virus display