Answer:
6 ,Be electrons ,8,neutrons (mass number)
The correct answer would be D. Mollusca.
The question is basically describing a snail.
Arthropoda have segmented bodies.
Echinodermata(starfishes, sand dollars etc.) are radially symmetrical.
Also none of them have shells except phylum Mollusca :)
Anaphase. Anaphase<span> is the stage of </span>meiosis<span> or </span>mitosis<span> when chromosomes separate and move to opposite poles of the cell. Centromeres are broken and </span>chromatids<span> rip apart.</span>
Because they are prokaryotic cells.