What are barrel-shaped?
adult giraffes adult sea squirts gastropod shells adult starfish Leptospirosis adult sloths Veins and arteries. the body's largest organ
A B C D E F G H
Sea squirts are the best known tunicates.
adult sea squirts are barrel-shaped
What are barrel-shaped? (A) adult giraffes (B) adult sea squirts (C) gastropod shells (D) adult starfish (E) Leptospirosis (F) adult sloths (G) Veins and arteries. (H) the body's largest organ