because they need it if they don't have it they will die it protects the heart and the eyes and the stomach.
The rostrum is the part of the crayfish that is located between the eyes and the antenna. Rostrum is Latin for "beak" so the rostrum on the crayfish is considered its beak.
A rostrum on a crayfish is an extension of its shell. This part is used for extra protection.
The rostrum on a crayfish is a hard beak extending from the head that is used for protection.
it is the antenna, antennule, rostrum, and the maxillipeds (feeding appendages).
Most biologists will tell you that the rostrum is a process for protection of the eyes from predators and during fights, somewhat analogous to the bones around the eye socket in humans.
it is the antenna, antennule, rostrum, and the maxillipeds (feeding appendages).
The rostrum is the snout of the whale.
The rostrum is the front mouth part and inside the rostrum are the Orca’s teeth.
A rostrum is a place to make a speech.
A rostrum is a place to make a speech.
Crayfish have muscles. They need them to move.
Rostrum Records was created in 2003.