because they have smaller legs and smaller head and bodies which is heavy for their body!
joints
Crustaceans have jointed appendages, meaning their legs can bend, and they have segmented bodies. They have an exoskeleton made of the protein chitin, and they often have bilateral symmetry. They have an open circulatory system.
anticlines, synclines, and monoclines
Yes, but you can bend their bodies still by twisting it yourself.
All bones are difficult to bend because they're meant to be rigid. The femur is often held to be the strongest bone in the human body.
It is a large bend , or part of a series of bends, in the lower course of a large river.
They might become difficult to navigate, and the amount of accidents at that location will be increased.
Contortionists can easily bend there bodies because after long periods of time streching there muscles lose elastisity.
The bodies of starfish feel slightly course to the touch. They are not soft in the way that a sponge is soft, but they are flexible enough that they bend when touched. Starfish have many legs and can even re-grow a body part when it is removed.
Leverage. With a long piece of chalk you have more to grasp, enabling you to bend it until it snaps.
It would be extremely difficult to bend over. You would be rigid and upright at all times.
The gymnasts contorted their bodies until they resembled circles. (contort means to twist or bend out of shape.)