REALLY URGENT REASEARCH Helice crassa!!!

[karole]

Hi, I'm Karole, and I want to know what you mean by helice crassa is 'different from other arthropods because of the chitina'.

What is chitina? Do you mean chitin? And even so, don't all arthropods have it?

Also, is having chitin all over the body mean that the mud crabs have exoskeleton all over their body?

Is it a physiological adaptation? I'm looking for any physiological adaptations of helice crassa that reduces desiccation. By the way, I'm doing this research assignment for water content of the mud that helice crassa lives in. Thanks!!

[MrMistery]

the exoskeleton of each insect is different. Though the major composition is always chitin(poly-N-acetylglucosamine) there are usually a large number of proteins and salts present. The exact composition of the exoskeleton reflects the arthropod's adaptations to its environment.

[karole]

Thanks. But what I really need is a physiolocal adaptation of helice crassa

I've search through the internet, lots books, textbooks and so on to find it, but I just can't!

I'm desperate for any, ANY! physiolocal adaptations. PLEASE