What kind of circulatory system do arthropods have?
open toads closed porous fluid H 2 O tissue koalas
A B C D E F G H
Arthropods and most mollusks have an open circulatory system.
arthropods have an open circulatory system
What kind of circulatory system do arthropods have? (A) open (B) toads (C) closed (D) porous (E) fluid (F) H 2 O (G) tissue (H) koalas