Most crustaceans are aquatic, or reside in water habitats.
Instead of vertebrae, crustaceans have a hard outer shell called an exoskeleton.
They also have segmented bodies, with appendages extending from each segment.
Here's a fun fact: crustaceans have single-chambered hearts and an open circulatory system.
The answer is Cccccccccccccc :)
Answer:
The kidneys is responsible for this.
That would be the Mitochondria
