Question

reduction in the number of aortic arches from lower to hig
groups.
Q.7. Trace the evolution of kidney in vertebrate series.
O Describe the kidney in vertebrates you have studied.​

Answer 1

Explanation:

Answer 7 Embryological Origin:

1.The intermediate mesoderm gives rise to the kidney in all vertebrates. 

2.Nephrogenic mesoderm is the mesoderm that will generate the kidney. 

3.The renal duct and kidney tubules are the two main components of the kidney

Answer 8:

1.In vertebrates, the kidneys are two reddish-brown bean-shaped organs.

2.They are found on the left and right sides of the retroperitoneal region and measure around 12 centimetres (412 inches) in length in adult people.