What is an example of an animal that lacks a respiratory and excretory system?
Dog Human alpacas cacti Starfish Leeuwenhoek Elephants cows
A B C D E F G H
Starfish and sea urchins are also echinoderms.
Starfish lack respiratory and excretory systems
What is an example of an animal that lacks a respiratory and excretory system? (A) Dog (B) Human (C) alpacas (D) cacti (E) Starfish (F) Leeuwenhoek (G) Elephants (H) cows