_______ are the first group of invertebrates which have developed a closed circulatory system.
(A) Nematods
(B) Annelids
(C) Arthropods
(D) Molluscs
Share this... |
![]() Facebook
|
![]() Twitter
|
![]() Linkedin
|
![]() Whatsapp
|
Your email address will not be published. Required fields are marked *