Question

Which of the following is NOT true concerning the Phylum Arthropoda?

The nervous system is dorsal (back) and the circulatory system is closed and ventral (belly).


They have bilateral symmetry.


They posses a chitinous exoskeleton that must be shed during growth.


The segmented bodies are arranged into regions, calledtagmata (e.g., head, thorax, abdomen).

Answer 1

Amongst the following the character that does not match to the phylum arthropoda is that it has a nervous system that is dorsal (back) and the circulatory system is closed and ventral (belly).

Answer: Option A

Step-by-step explanation:

The phylum Arthropoda is an important phylum in the case of dividing organisms into different phylum. The organisms that belong to this cast have an exoskeleton that is made up of chitin, they also have an open circulatory system that does not have blood vessels for the blood to flow.

Answer 2

All of the listed things about the phylum Arthropoda is correct, except the description of the nervous and circulatory system.
Arthropods have an open circulatory system that is located dorsally and a compartmentalized nervous system is located on their ventral side.