Answer:
Etymology. The word arthropod comes from the Greek ἄρθρον árthron, "joint", and πούς pous (gen. podos (ποδός)), i.e. "foot" or "leg", which together mean "jointed leg".
C. cell membranes
Explanation:
the black/dark material that is visible in many of these onion cells is cell membranes.
7 grams
6 + 1 is 7
