Sea otters have a closed circulatory system.
Sea World Monorail System was created in 1986.
Romans kept cities connected by their system of roads and by safe sea lanes.Romans kept cities connected by their system of roads and by safe sea lanes.Romans kept cities connected by their system of roads and by safe sea lanes.Romans kept cities connected by their system of roads and by safe sea lanes.Romans kept cities connected by their system of roads and by safe sea lanes.Romans kept cities connected by their system of roads and by safe sea lanes.Romans kept cities connected by their system of roads and by safe sea lanes.Romans kept cities connected by their system of roads and by safe sea lanes.Romans kept cities connected by their system of roads and by safe sea lanes.
The sea cucumber is known to eject its entire digestive system as a defense mechanism. This process is called evisceration, and the sea cucumber can regenerate its digestive system over time.
sea urchins are species which belongs to phylum echinordermata, class ecinoidia. Normally every echinodermates has water vascular system. And sea urchin, yes it is. It has water vascular system.
No
Starfish do not have a brain.
They both use the hydraulic system!
They both use the hydraulic system!
geologically speaking,an ocean has a rift system which works on expanding the ocean floor, while a sea has no rift system,the size is constant. the red sea can be considered an expanding ocean,yet it is called a sea because of its small size compared with the Atlantic ocean which has an expanding mid ocean rift system that runs north to south and surfaces in iceland.
yes
circulitory ?