Vertebrates have a back bone. They have living endoskeleton, pharnyx and efficient respiration, advanced nervous system, and paried limbs.
<h2>Ur Answer:-</h2>
The cambial ring becomes active and starts cutting off new cells; both on the inner and the outer sides. The cells which are cut off towards the pith mature into secondary xylem. The cells which are cut off towards the periphery mature into secondary phloem.
<h2>Hope it helps uh!</h2>
The reason why interdisciplinary science is important to
society is because of the following reasons; It has incorporate sources of
knowledge and it is a way of increasing our knowledge. This science has made
people realize and learn more things than they actually know and it made people
understand things around them without having to actually think an explanation
behind it.
