What kind of animal doesn't have a respiratory or excretory system?
a fish bears ant whale humans starfish mammals llama
A B C D E F G H
Starfish and sea urchins are also echinoderms.
Starfish lack respiratory and excretory systems.
What kind of animal doesn't have a respiratory or excretory system? (A) a fish (B) bears (C) ant (D) whale (E) humans (F) starfish (G) mammals (H) llama