Alphonse Bertillon was a French criminologist who first developed this anthropometric system of physical measurements of body parts.
        
             
        
        
        
These <span>large leaves of ferns that show multiple venation are called fronds.</span>
        
                    
             
        
        
        
Answer:
Chitinous exoskeleton and segmented bodies.
Explanation: 
Phylum Arthropoda are known as jointed legs species which include crabs, spiders, ants, etc. The important characteristic of Arthropoda is they have a hard chitinous exoskeleton that provides them protection and gives flexibility. These phylum species can survive in both terrestrial and marine habitats. Some characteristics of phylum Arthropoda are given below:
1) They have Chitinous exoskeleton which is hardened.
2) Their digestive tract is present at opposite ends of the body and complete with the mouth and anus. 
3) They contain jointed limbs.
4) The body structure of these species is showing bilateral symmetry. 
 
        
             
        
        
        
Light waves are part of the _electromagnetic spectrum. _
remember that the whole E.M. Spectrum includes various "types of light" > Infrared, (Visible) Light, and UV Light. 
_Brainliest if helped!