How do fossils provide evidence of change from the earliest life forms to those alive today

The transport tubes from food came down the plant are called?

3test questions with answers on incomplete dominance

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