Earthworms
Amphibians have closed circulatory system Closed
closed circulatory system (double circulatory system)
Yes it has a closed circulatory system
closed circulatory system
Sea otters have a closed circulatory system.
Platypuses have a closed circulatory system.
closed circulatory system.
squids have closed closed circulatory systems
no
Brown bear have a close circulation system
closed circulatory system
Worms have a closed circulatory system because they inherited it from their ancestors.