Question

they are in vertebrates and with closed circulatory system- comment on the other features of animay with these characters​

Answer 1

Still, blood can flow backward and thesystem is only slightly more efficient than the open system of insects. Theclosed circulatory system has moreadvantages over the open circulatory system. 1.The blood transfers faster in the closed system, thus oxygen, nutritients, and wastes transport fast also.

Answer 2

Answer:

1)Body has rings hens called annelids.

2)Marine or fresh water or terrestrial.

Best example is earthworm.