Question

Prawns, crabs, spiders and butterflies belong to one group.  
i) Name the group.
ii) Justify the name given to this group​

Answer 1

Answer:

Prawns, crabs, spiders and butterflies belong to the arthropoda group

Reason :

• This is because all three have an exoskeleton, segmented body, and paired jointed appendages.

Answer 2

Answer:

i) Phylum Arthropoda

ii) arthro- joint ; poda- legs

Explanation:

Arthropoda is a huge phylum comprising of insects (butterflies) , crustaceans (crabs, prawns), Myriapods (millipedes, centipedes),Trilobites and arachnids (spiders, scorpion).

The term Arthropoda means jointed legs. Thus the main characteristics of Arthropodas are jointed legs. They have segmented body with Chitinous exoskeleton.